Miata Idle Afr

Additionally, Injector Dynamics provides you with the technical data necessary to properly program your stand alone ECU for the perfect tune. This means it keeps adjusting the fueling by the same amount each cycle until the AFR target is reached. Dallas, Texas 75238 Ph: 214-340-9797 Fax: 214-349-9342 Page 2 Understanding the TDR Fuel Card The Fuel Card (FC) has 5 Modes that are adjustable. bcoz apparently injectors come to wear in time. Hello, sorry for the long post, I'm going to try to be as transparent as possible. This was the 2nd and 3rd "track days" on this motor after about 8k street miles. 4500 Carb flange. Our commitment to providing the best parts at the best prices is topped only by our dedication to providing the very best service to our clients. Vehicle Identification; Vin Plate: Left dash, seen through windshield : Exterior Colors: Classic Red (SU), Mariner Blue (DU), Crystal White (UC), Silver Stone Metallic (3L) (added in March). If it's stumbling at 1000-1500, I'm guessing it's too rich for idle. I just recently finished up my Wideband install and wanted to confirm what everyone is seeing for AFR at idle. Spark Control: Yes Notes: This is a good MSQ for the new 2. Volumetric Efficiency. If the problem started after replacing a timing belt or chain, checking the timing is the first thing to do. , a dust explosion, gas or vapour explosion or in a thermobaric weapon). 7 psia (20 psi) on the top row. This is exactly how a diesel engine controls idle. The engine may start and idle fine, or run normally up to 3500 to 4000 RPM. Designed for the Street Proven on the Track 11414 Chairman Dr. 5:1, this extra fuel ensures all of the air is reacted in time; the excess is only partially reacted. Volumetric Efficiency. 7 grams of air to 1 gram of fuel. If this is your first visit, be sure to check out the FAQ by clicking the link above. Mazda 323 GTX MegaSquirt Install. You do want to diagnose the issue to ensure you really do need an O2 sensor. Colder plugs, O2 relocation specifics, vacuum routing (I find this is some of the least documented among all write ups), wastegate settings (I know certain years have different psi ratings, but it would be useful to emphasize the importance of ensuring that it works properly, and if not to get a new actuator assembly. net also has a brief intro for new users. A little video to show you how to adjust the idle speed and idle switch on a Mazda Miata. Essentially, you have two projects. New tunes are regularly added based on demand. Crower's high performance camshafts, crankshafts, connecting rods, roller lifters, rocker arms, valve train components and large variety of aftermarket engine parts for international and domestic automobiles, diesels, boats, tractors, motorcycles, and trucks. Under moderate load it will level out at 14. The Mazda is tidier, yet more practical package, narrower in the waist and lighter overall and a bit quicker to 60 MPH vs. With an internal combustion engine that has an operating range from idle to well over 6,000, 8,000 or even 10,000 RPM, there is no specific header that is best for an entire power band. So if MAF sees 4. this will happen for a few seconds until the truck comes back to normal idle. Question (by Dick Hancock #39 SM - Knoxville, TN): Bought your adjustable FP regulator for my 1. The higher the ethanol content the more rich the afr will need to be. - When street tuning, use either a co-pilot or the datalog feature in your laptop. Hello, I have a 2000 Corolla VE Manual. I dug the wideband display out from under the seat where it had migrated I saw afr's in the 25:1 range and then it hit me like a wrecking ball. The problem is that sometimes i have bad engine startups and i should keep the revs with the gas pedal ,tight parking maneuvers are a bitch as the car wants to stall when i let the gas pedal and the most annoying is that when i come to a stop after overrun the idle falls way down low,the AFR's also,to 20's and the car stallsThere is no. A little video to show you how to adjust the idle speed and idle switch on a Mazda Miata. The bad: the best pull I could get was 109hp and 102tq. 7:1 or in some cases even leaner. Some ­aftermarket trainers have also suggested that the GPS number on a good MAF will equal the engine's displacement in liters at idle speed. Furthermore, the spring method messes with the idle, and you have to take further steps to make the idle behave. WHAT IT MEANS WHEN YOUR GET A CODE READ OF PO420 OR PO430. big cams need big gears and very few are. Simply leaning out an engine does not automatically make it have more power. ECU New setting to disable Power Management and Traction Control when activating the digital input function secondary rev-limiter (can be used as a Burnout Limiter), setting available in the rev limit. While each table is based on speed and density, the functions are separated for tuning purposes. Hey guys, I was wondering what is the Ideal Air/Fuel Ratio for a turbo charge Civic. The adjustment to the injectors only adds fuel in boost, not when in vacuum such as idle or cruising. that my afr will shoot up and. We all know that cars cannot run infinitely lean. I forget what it is at the moment. 286 grans of fuel per second to flow. ***Final edit - So the issue was a combination of two things. Idle Air/Fuel Ratio Tuning With Large Cam-Naturally Aspirated. ECU OVERVIEW Haltech's Elite 1000 ECU takes the art of engine calibration to a whole new level. 7 psia (20 psi) on the top row. 7 at stoich on your gauges because you wont have changed it. 61 Injection Air Idle Fuel 1. This base kit includes 8 sfd 52mm parallel bore throttle bodies, a pair of lightweight manifold with fuel rails to suit the std injectors and an easy to fit idle air system. Hey everyone I just bought a 2012 Mazda 3 hatch with the 2. Keep in mind that a rich A/F ­condition might cause a rough idle, but often won’t store a P0300-series code. Sure, it goes away after a minute or two, but we now offer a remote IACV mounting block so your car idles like stock. 5% CO at idle. However, if the engine is tuned so that the idle MAP is minimized (likely 13. Automotive News reports Toyota patriarch Shochiro Toyoda gave his son, current president Akio Toyoda, a mission last year to explore markets outside of the “Asia-Europe-America” sphere, especially those where the younger Toyoda […]. There will be another story to follow this one on using your new equipment to find more power in the mighty Miata motor, but that’s a feature unto itself. Been fighting lean afr's and lean condition cel. Welcome to Miata Turbo, home to the largest turbo Mazda Miata MX-5 following and Turbo Kitten. 6 AFM - Bypass Adjustment - posted in Spec Miata Garage: I have seen lots of posts about opening and adjusting the 1. In the on-going quest to make our vehicles more powerful and fun to drive, people have come up with some great aftermarket systems. We tried a stock AFM in stock orientation and tuned the AFR to around 12-13 at idle using the fuel pressure regulator. 7 rockers it can make big power. You do want to diagnose the issue to ensure you really do need an O2 sensor. I have read that the skyactiv engines just idle this way. Catalytic converter prototypes were first designed in France at the end of the 19th century, when only a few thousand "oil cars" were on the roads; it was constituted of an inert material coated with platinum, iridium, and palladium, sealed into a double metallic cylinder. Maybe IAC? I'd hate to say it may be my COPS wiring since I triple checked everything before wrapping it all up. As others have pointed out, I did find that a richer idle AFR smoothed the idle and reduced the lag or stumble when transitioning from idle to part throttle. But at higher speeds, it may misfire and lose power because the valves are floating because the springs are weak and unable to keep up with the speed of the valvetrain. com Both el tigre and I use the Calum Realtime ECU, but these binaries should be sufficient on other platforms that involve binaries for tuning; if not, you could at least use the timing and fuel maps to learn from. Background: Over this past summer, the CCTA TSI engine in my 2011 MK6 GTI decided that valve and piston should meet face to face, literally grenading my engine on the highway. Those manufacturers include but are not limited to Volkswagen, Audi, Mercedes, BMW/Mini, Hyundai, Mazda, Kia and Infiniti. jpg I'm still running on mostly a stock tune but with a reflash to account for the larger injectors. I usually attempt to tweak the fuel and timing at idle based on the maximum vacuum for an RPM especially with timing watch your vacuum gauge the engine will tell you what it wants when idling. The Link G4+ MX5Link MX5+ PlugIn fits the Mazda MX5 1600-1800 (NA models) and the GTX/R (1800cc). This includes: new denso ITV22 gapped at. 7 psia (20 psi) on the top row. How well does the new Kenne Bell BLOWZILLA/FLOWZILLA work? Muscle Mustangs and Fast Fords Editor Richard Holdener recently tested the Kenne Bell BLOWZILLA/FLOWZILLA kit on his own engine with the Westech engine dyno. Replacing it with another used one helped at first but that also went open circuit. As the spark plugs, ignition cables, distributor cap and rotor, and ignition coil wear over time, their ability to transfer the needed spark to ignite the air-fuel mixture inside the combustion chambers becomes compromised. Sai Sruthi has 4 jobs listed on their profile. I have been tuning mine by increasing the clock spring pre-tension. 2 grams of air per sec the PCM will fire the injectors to allow 4. Your AFR *could* be going lean because the idle valve is opening and letting more air in without the ECU adding fuel. org, is the worlds largest automotive enthusiast group exclusively geared towards the General Motors GM J-car platform including the Chevrolet Cavalier, Pontiac Sunfire, Pontiac Sunbird, Pontiac J 2000, Oldsmobile Firenza, Buick SkyHawk and Cadillac Cimarron. Never had an issues for years on this car until like 2 months ago it developed a hesitation under light load acceleration in 1st gear. Application: GM V8 based vehicles. 7 AFR during idle and cruise. Since the launch of the third generation, Mazda consolidated worldwide marketing using the MX-5 name with the exception of the United States where it is marketed as the MX-5 Miata. Maps: I started making changes to the fuel, ignition and o2 maps. its showing 12:1 afr at idle. Idle air/throttle is probably gonna be increased ofcourse to bring enough air to mix with the extra fuel, but the PCM is gonna command a rich mixture to raise temps, thus gas mileage might take a (small?) poop. We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon. com is to show you just how great of a fuel ethanol can be. Hide Full Bio Read More. A surge is usually caused by a fuel system management or drivetrain operation failure. Dallas, Texas 75238 Ph: 214-340-9797 Fax: 214-349-9342 Page 2 Understanding the TDR Fuel Card The Fuel Card (FC) has 5 Modes that are adjustable. All photos, videos and other media related to the Scion FR-S and Toyota 86. @PACPerformance FD RX7 Single Turbo Kits is ready and features carefully chosen components including a Garrett Motion GTX turbocharger & Turbosmart wastegate, along with a quality fabricated steam pipe manifold and dump pipe and all associated oil & water lines, this kit offers a great balance between drivability and performance!. MS2 Idle air control aftermarket engine management. It is normal to see readings around 14. This more uniform dispersion of fuel droplets means a better fuel/air mixture that burns more completely for improved cold starts, idle and fuel consumption. You do want to diagnose the issue to ensure you really do need an O2 sensor. Take control of your truck performance, fuel efficiency and more with Bully Dog tuning products. 12 in boost otherweise ur idle is a waist of gas 1thing to watch is motor has to be fully warmed up cuz u have self learn function ecu ussses as well as warm up enhacements. A narrowband O2 sensor, such as the one used on stock Miatas is not adequate. Hey everyone I just bought a 2012 Mazda 3 hatch with the 2. This will smooth Tip in response from a stop and at cruise. com and affiliated sites. UNDERSTANDING ADVANCED UROTHELIAL BLADDER CANCER. Air/fuel ratios are typically measured using a so-called "wideband' air/fuel ratio sensor. The ECU PCB fits discretely inside the original factory enclosure. this will happen for a few seconds until the truck comes back to normal idle. 20190914_084944_HDR. Motor does not want to idle at anything approaching 14. Contributed by: enginebasics. when the ECU was applying -5% correction, we know that 5% less fuel at that spot in the fuel table. Only shows innovate lc1 so I chose the wideband not listed in intial setup. I inspected my sensors while working today. That, and I was getting about 20-23mpg, black plugs and exhaust, hesitant and lumpy low-end acceleration and a. switch 4K NC 4L Lt GRN / RED Sensor +5V red W3, sliced for MAP 4M Knock sens. Track Dog Racing's Rotrex Kit Development News 07/16/2018 The TDR Rotrex is for sale. All the other times, when it doesn't hunt, the idle speed is around 1050-1150 RPM, probably working on a different VE cell. In some cases, this noise may also be heard on the inside of the vehicle and be more pronounced on the passenger side. The stock AFR's target 12. See the source code for this document for more details on how the calculator works. Meanwhile, I did some playing on Sunday, got the gap adjusted for the crank position sensor and cleaned the sparkplugs and regapped them to. Don't know what is with the different idle speeds. Its death will happen much faster if the QH sits idle than if it is being regularly used: the QH was always intended to be used as a tool for active interaction with the vehicle, not as a chip for delivering a static, unchanging tune. Hello, sorry for the long post, I'm going to try to be as transparent as possible. MS2 Idle air control aftermarket engine management. Catalytic converter prototypes were first designed in France at the end of the 19th century, when only a few thousand "oil cars" were on the roads; it was constituted of an inert material coated with platinum, iridium, and palladium, sealed into a double metallic cylinder. 40 Comments making these sensors unsuitable for delivering a true AFR reading. 6 litre cars. -your idle loop- don't trust auto tune to get the fuel correct at idle it can't. Crower's high performance camshafts, crankshafts, connecting rods, roller lifters, rocker arms, valve train components and large variety of aftermarket engine parts for international and domestic automobiles, diesels, boats, tractors, motorcycles, and trucks. I noticed the problem is more obvious when the ambient temperatures are higher, but the ECT temps though are around the same as the thermostat takes care of that. 1 GT-R 2 BRZ/GT-86/FR-S 3 Mazda MX-5 Miata pre new 2015 model 4 Nissan 370Z 5 Juke 6 Up to 2015 STi 7 - Subaru Impreza WRX STi 2015 WRX DIT 8 - Mazda MX-5 Miata New 2015 model 9 Mazda MX-5 SkyActiv-G (ND) – fact sheet ProECU is a powerful all-in-one tuning solution that reprograms the car’s original ECU via the OBD-II port. Most of them have sold in the USA but we have also sold kits all over the world including Australia, United Kingdom and even Hungary. Drive a block away, put it back in. Sai Sruthi has 4 jobs listed on their profile. The Miata has changed to a fantastic and powerful machine that will give me a lot of pleasure and I look forward to every future km. Fuel Injection Idle Air Control Valve Fit 99-05 Mazda MX-5 Miata 1. (Presumably used for 'Idle Up') 4D Yellow VVT Oil Control Valve pos. To edit, click and enter the new value. KIT INCLUDES: Eaton MP62 (or optional TVS 900) Supercharger, FFS Engineered High Flow Cast Intake Manifold, Complete Engine Management with Boost Fuel Control and Boost Timing Control, High Flow Fuel Rail, Separate 6 Rib Belt and Pulleys with Automatic Belt Tensioner and Iridium Spark Plugs. This -22 full-retard point is where you want it to park for idle & low RPM so that's what we'll calibrate your map to. 7 rockers it can make big power. The shifter quality is what I expected. Easy to use parts catalog. Wideband tuning - Introduction. Good morning, As newbie to tuning I would kindly ask the following: 1- Are tunes in general CAR SPECIFIC or Engine SPECIFC or everyone gets the same tune -- say one opts for the GMPP tune, has access to 'the gms1 data file' and has a HP-tunner HPVI2 scanner, is the data the same from car to car? or if one went to a dealer ( as we all know Pontiac is long gone I assume this could be done at a. If that's the case, add a little more fuel in the idle region where it's happening. !! I wish I knew what was happening here. My MS'd 245 never got the idle control valve put on and it starts fine when cold, it just has a hard time keeping any idle until the motor has been going for at least 2 to 3 minutes, and even then, it idles kinda low and uneasy. That’s why you need to pay close attention to this piece during your regular maintenance routine. 7 grams of air to 1 gram of fuel. The high vacuum attracts oil in the heads to congregate around the valve stems. Could the ECU be adjusting the AFR to fix this issue after it gets enough readings from the pistons reaching TDC? As of my understanding right now this engine uses two sensors/valves to adjust idle speed, Idle Air Control Valve and Idle Speed Control Valve (ISCV). It’s working friggin awesome, when I romp on it I got 12. AFR – Measured by your primary 02, your air-fuel ratio is vital to watch and monitor if you are modding or trying to make more power. and I already predict going to +20 at idle. 7 parts air to one part fuel. When an engine's computer can "hunt" or "surge" at cruising or idle speeds it is searching for program compliance, there is a problem elsewhere in the system. Effect Of Changes In Cam Timing And Lobe Separation Angle The following tables illustrate how variations in lobe separation angle and cam timing will effect the behavior of the engine in which the camshaft is installed. You can see sporty engines like bikes or the BMW M3 having individual plates while the normal BMW has a big single plate. Pulse-Width Modulated (PWM) Idle Valves are now natively supported by the PCBv3. if i keep … read more. i understand that everyone want a lopey idle so people think there car is fast, all you are doing is making the car slower and less responsive. Designed for the Street Proven on the Track 11414 Chairman Dr. 6 AFM - Bypass Adjustment - posted in Spec Miata Garage: I have seen lots of posts about opening and adjusting the 1. net also has a brief intro for new users. If a smog certifier tests your car cool or cold, it will. Find the Idle Valve Control Valve you need at prices you want, large inventory of discount Idle Valve Control Valve, plus reviews and ratings. Calibrating the AFM / adjusting mixture - Mk1 (old-style gate AFM): Background - I was convinced my old mk1 was running way too rich, from experience of working on my old minis and other carburetted cars. A wilder cam gives pulses back into the inlet resulting in lumpy idle and bad part throttle response at low revs. ), self-tuning functions (Automatic Mixture Control - AMC), and fuel control to 1 μs (100 times more resolution than MegaSquirt-I). 5:1 AFR in load. 5 AFR at idle range. With an internal combustion engine that has an operating range from idle to well over 6,000, 8,000 or even 10,000 RPM, there is no specific header that is best for an entire power band. The first test run actually recorded a fail at idle as they hold the engine above idle before letting it drop back down to idle and then take the sampling. 1st step off idle to 1,500 rpm should be very close to the idle calibration. !! I wish I knew what was happening here. The car also does will not stay lit. Fuel Injection Idle Air Control Valve Fit 99-05 Mazda MX-5 Miata 1. If it wasn't for the sound of the K&N and blower I'd swear Mazda has a V6 option. Forums covering the Triumph Twins, Triumph Speed Triple, Triumph Tiger, Classic Triples, Sprint, Daytona, and all Triumph motorcycles. But we may need to revise this or the existing state of tune while we mod other parameters, especially in case of turbocharging an. One is installing the AFR gauge. If you have any questions about Stage 3 Surge O2 Chip Combo by Surge Engineering feel free to call us anytime and a sales representative will be happy to assist you!. Forums are broken down by category based on region. Spec Miata Community » Spec Miata Archives » Garage 2002-2009 » How to tune AFM : Without an on the fly AFR, you could grenade your motor. Before the catalytic converter, the oxygen sensor will zigzag up and down. 121 Ahos a] atervicio de ID8 inte. All the other times, when it doesn't hunt, the idle speed is around 1050-1150 RPM, probably working on a different VE cell. When you shift into gear and drive at a low mph we refer to this as being a LIGHT CRUISE. Later on in the summer I installed a header, and although I had a leak or two that I presume fixed now (since the car ran well, although a little rich since the tune was out of wack), it has run well all summer. SpoolFeen. MS3Pro ECU Comparison (1st Gen - EVO - ULTIMATE) My race car is already wired for 1st Gen MS3Pro, can I upgrade to EVO or ULTIMATE? Yes. Turbo engines with large cams will typically run best with an indicated idle AFR of 12. 5 as a safety measure but most people seem to run theirs at. 5 AFR - target with GREEN mode When you start your vehicle we refer to this as being in IDLE condition. Unlike other types of carburettor, which have fixed jets , the SU has only one jet, so the mixture setting affects the engine throughout its speed range. Effect Of Changes In Cam Timing And Lobe Separation Angle The following tables illustrate how variations in lobe separation angle and cam timing will effect the behavior of the engine in which the camshaft is installed. IDLE / LIGHT CRUISE: 13. the BP engine is turboed from the factory in the 323 GTX (i think thats the name), the miata just has the same engine sans the turbo. thats why its leaning out. Additionally, Injector Dynamics provides you with the technical data necessary to properly program your stand alone ECU for the perfect tune. running on a FITech standalone and has a pretty mild trick flow 5. Top End Performance has been your source for the best prices on brand name, top quality car parts since 1994. If this is your first visit, be sure to check out the FAQ by clicking the link above. Available in TunerStudio 2. 5 is a good safe bet but do you shoot for one AFR number for whole rpm range or go richer before peak torque and then drop a little leaner to redline?. -your idle loop- don't trust auto tune to get the fuel correct at idle it can't. Getting it to idle correctly is the first step before driving the car, so this is all I'm concerned with. Your AFR *could* be going lean because the idle valve is opening and letting more air in without the ECU adding fuel. It will display AFR or Lambda values with a wider range than before - on gas, it can measure from 8. Bypass and BOV Valves; Engine Management Systems; Gauges and Gauge Mounts. making these sensors unsuitable for delivering a true AFR reading. Big cams like the 13. With just connecting rods and pistons I could defentially go into the 300s. gas mileage is suffering. Air Fuel Ratio too rich? For Mazdaspeed Miata discussions, The low AFR during idle bothers me, but it won't do much except heat up the cat and maybe foul the. Can be run "as cast" or with port matched runners as recommend by AFR. No surging but does seem to be a little rich which is why I need an accurate AFR reading to move forward. I noticed yesterday that my idle only fluctuates when I press the brake pedal. 5:1, this extra fuel ensures all of the air is reacted in time; the excess is only partially reacted. You can find all Ford Focus, Focus ST and Focus RS related information here. My research had always lead me to find that 13-13. This is one of the coolest features as this was a very common modification that will no longer be needed. This is likely caused by having incorrect injector flow data. Turbobricks Forums > Mechanical > projects & restorations: Microsquirt 16v+t. Most are tuning related, and I will hopefully resolve them by adjusting the AFR, VE, and timing tables. net also has a brief intro for new users. Reply ETA I built a narrowband AFR display from a kit - you wouldn't use one for proper tuning but it is very interesting - it allows you to see how the car is. When you shift into gear and drive at a low mph we refer to this as being a LIGHT CRUISE. I usually attempt to tweak the fuel and timing at idle based on the maximum vacuum for an RPM especially with timing watch your vacuum gauge the engine will tell you what it wants when idling. As I drive around VE-AL looks at RPM, MAP, AFR, and a few other variables (the company doesn't actually say what they are, no doubt part of their secret sauce) including an AFR delay table (takes time for exhaust gases to reach the WB sensor) and makes incremental adjustments to the fuel table to try and reach the AFR targets. Page 3-701 sm Motards/Supermoto. on 5 4 2018 18 months ago. This is the first time in over a year I've felt comfortable with this setup. One of the local Miata Turbo guys chimed in on my thread on miata. Video Notes: -If you have a 4-wire sensor (1. The S38 put down about 340 to the rear wheels from an old build but honestly with the 3. Contributed by: Enginebasics. One was that the ECU ground was not at 0V. gas mileage is suffering. We got a love-hate relationship. This is known as advanced urothelial bladder cancer. At some point, the O2 sensors in your car may go out. Ford Ranger Engine Buck/Misfire at Freeway Speeds - 268 reports. Building your own 347 cubic-inch block from a 302 short block is not an easy task, but is not impossible by following these steps - Muscle Mustangs and Fast Fords Magazine. The HKS Super AFR is the very first airflow meter correctional device in the industry with a built in CPU. 7 parts air to one part fuel. Hell if you change your stoich and your tune was good your afr's should, in theory, be spot on still. Since cars at varying RPMs require a certain amount of horsepower to turn over the motor at a certain RPM, leaning out the fuel will drop the RPM. Recheck float level, then start it up and see if its better and the idle afr can be leaned out to close to 9. In some cases, this noise may also be heard on the inside of the vehicle and be more pronounced on the passenger side. 5:1, this extra fuel ensures all of the air is reacted in time; the excess is only partially reacted. My 2006 Toyota Prius is throwing code P0420 and I used a cheap OBD-II reader with Torque App on Android to check if my O2 sensors are working or not. Volumetric Efficiency. on 5 4 2018 18 months ago. NOTE: PLEASE PUT YOUR CURRENT EMAIL IN THE COMMENTS BOX WHEN YOU ORDER. com is a one-stop-shop for quality, discount auto parts and car accessories across a large selection of vehicle makes, including, but not limited to: Ford, Dodge, Toyota, Honda, Chevy, Volkswagen and more!. Our certified mobile mechanics can come to your home or office to perform the Check Engine Light diagnostic. also if you have sputtering. Be the first to know about new products, sales, collaborations, JHPUSA exclusives, and special discounts - JOIN THE TEAM!. com Both el tigre and I use the Calum Realtime ECU, but these binaries should be sufficient on other platforms that involve binaries for tuning; if not, you could at least use the timing and fuel maps to learn from. My 2006 Toyota Prius is throwing code P0420 and I used a cheap OBD-II reader with Torque App on Android to check if my O2 sensors are working or not. Welcome to The MG Experience Online Car Club. its showing 12:1 afr at idle. This is the first time in over a year I've felt comfortable with this setup. I do have a couple questions. idle 17-18 And from my understanding from reading up on different forums is that running that afr at wot is not good at all. When cold it starts easily and the revs do drop as the Air Valve warms up and closes, however once warm it idles at 1200 rpm. It is important to remember that if your "Check Engine Light" illuminates and someone just simply reads a code of PO420, 421, 430 or 431 this does not necessarily mean the Catalytic Converter is bad! All that code says is either Converter operating below efficency or Converter. Find the Idle Valve Control Valve you need at prices you want, large inventory of discount Idle Valve Control Valve, plus reviews and ratings. This car's HP mods are headers and exhaust, an ATI D1SC at about 12psi, Alkycontrol 2-nozzle methanol kit, and aggressive tuning. That, and I was getting about 20-23mpg, black plugs and exhaust, hesitant and lumpy low-end acceleration and a. Join GitHub today. Upstream sensors actually control the air to fuel ratio, downstream sensors only purpose is to check catalyst performance (used to check effeciency of the catalytic convertor) if the converter fails or is removed both upstream and downstream will. •FiTech Fuel Injection 2016-2019 • 12370 Doherty St. 8-inch Mustang axle; instead, he got a 7. La production alimentaire entière le cop y a il maintenant Règne comme son Monarque. Volumetric Efficiency. This setting increases idle by commanding an additional number of steps as input into this cell. However as the Megamanual says, "Experimental means that you are responsible for sorting out some details of your fuel injection that are specific to your application. If this is your first visit, be sure to check out the FAQ by clicking the link above. AFR's are all over the place. If you're seeing a PSI under 100, then the pump is not creating any pressure and it's just flowing through from the in-tank pump. Our tester, Thomas (who will otherwise remain anonymous), suggests "always testing a car after letting it idle to its full temperature. The Trinity 2 EX is hands down, the most feature packed performance tuner, monitor, diagnostic and data logging device on the planet. This means it keeps adjusting the fueling by the same amount each cycle until the AFR target is reached. As others have pointed out, I did find that a richer idle AFR smoothed the idle and reduced the lag or stumble when transitioning from idle to part throttle. A common problem on Miata,s is a low or rough Idle or a high idle. You can put the internals in a bigger diameter tube but then you will get a different fuel/air relation and you should match your fuelsystem to that new relation (bigger injectors, higher fuelpressure) to restore AFR. MazdaSpeed 3. its showing 12:1 afr at idle. If you have any tunes/binaries you would like me to add, e-mail them to: [email protected] I understant that the Air/fuel guage is basically junk also. 7 AFR then it tweaks the LT trim to add/delete fuel during the next calculation. RockAuto ships auto parts and body parts from over 300 manufacturers to customers' doors worldwide, all at warehouse prices. 6:1 and I am seeing the EGO corrections slowly ramping up and down between -5% and +5% giving actual AFR between 13. Like someone else sad if you download tuner studio and plug into the car you can just take some fuel out at idle until it's at a happy AFR. Heya! Idle you want to aim for stoich at 14. you'll see an engine at idle hunt either side of the magical 14. I corrected the AFR and also dialed in the boost controller which was over-shooting. Run the engine at idle, aim a timing light at the harmonic balancer, and note the initial timing of ignition to the number-one spark plug. Miata Air Flow Meter Location. It has an internal 9V battery to power the device when connected to your computer. 2 and maybe a hair more at wot to redline and once I let off from wot it goes up to 20. Calibrating the AFM / adjusting mixture - Mk1 (old-style gate AFM): Background - I was convinced my old mk1 was running way too rich, from experience of working on my old minis and other carburetted cars. but i am not sure why it is 18. Idle, sweet idle. Bad valve seals will show themselves during prolonged idling at stop signs or stop lights in congested city conditions. When using pump e85 the afr is usually targeted around 9. 0 or lower? Discussion in 'EFI Tuning Questions and Engine Management' started by 93gtman, Jun 2, 2008. RockAuto ships auto parts and body parts from over 300 manufacturers to customers' doors worldwide, all at warehouse prices. Unlike other types of carburettor, which have fixed jets , the SU has only one jet, so the mixture setting affects the engine throughout its speed range. Our goal here at enginebasics. on 5 4 2018 18 months ago. Our certified mobile mechanics can come to your home or office to perform the Check Engine Light diagnostic. If you're seeing a PSI under 100, then the pump is not creating any pressure and it's just flowing through from the in-tank pump. This was the 2nd and 3rd "track days" on this motor after about 8k street miles. It is based on the 'rules of thumb' presented here: Making a Spark Advance Table. To be notified about new webinar uploads join our mailing list. Sold over 531,000 units until 2000, it is the bestselling two-seat convertible sports car in automotive history. GitHub is home to over 40 million developers working together to host and review code, manage projects, and build software together. 1999 and older are allowed higher emissions with the standards being less and less as the years go on. 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