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Fitech efi problems?
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Fitech efi problems?
I have a 66 Buick Skylark that I installed Fitech Go master kit with inline fuel pump. I bought a replacement pump for FCC1 from Jegs and it's. But codependency is no laughing matter Everyone laughs when I tell them that I wrote Codependency for Dummie. The all new FiTech Force Fuel System makes the upgrade to fuel injection even easier! The Force Fuel simply connects to a stock mechanical or electric fuel pump then supplies the EFI system with high pressure through the use of an internal 340-LPH pump. Of course, things like fuel pressure, wide band O2 sensor, and an ECU are part of the conversion, but FiTech takes care of these items in its kits. I have had this unit for almost 3 years and I've never had a problem … The Go EFI 2×4 1,200hp Power Adder System can be used on a 671 or 871 roots blower with this 2×4 Power Adder system. Don’t waste your time and money on plumbing issues that you don’t know how to fix. Caused my no start problem when battery was slightly discharged,like using winch. Tech Support Email: techmail@fitechefi Tech Support Line: (951)340-2624 option 2. You can use to shut the fuel injection off before the motor explodes. HP printers are some of the best for home and office use. However, like any other outdoor equipment, patio umbrellas can encounter problems. It was pinched and acted like a check valve holding vacuum on the MAP sensor. Mar 23, 2020 · The most common problems with efi throttle body injection units is stuck or dirty injectors. It features the FASTEST most accurate Self Learning available, Timing control, Wet flow Annular discharge and tons of additional features. I've always had to wait a few second with the ignition on before cranking for the … Fuel Pump Problems - Fuel Pump Problems - Electronic fuel injection tuning for automotive applications. 69_R-Code @69_r-code Members #2 · January 29, 2020, 2:04 pm. Fitech has provided a new update that gives the user control of the Coolant Temperature Sensor. I ran into the FiTech team, and we figured out the issue! Let's do some troubleshooting. I am getting good tach signal. May start and run fine every once in a while then no start. Many users encounter login issues with their AOL email accounts. My last issue I had was after driving the car for awhile, the RPM would stay high in the 1300-1500 range. Today we are showing you how to update your EFI handheld software. Plus the Annular Discharge design is. When you let off the throttle and deal with your vehicle the EFI will reduce fueling to prevent popping and an over-rich condition that would occur if the fueling continued as it normally would. I have a couple of log files and a trial Dropbox account. 10micron downstream 250gph fuel filter. Not using timing control from FitechIf you're in park … An Idle Air Control (IAC) stepper motor valve is used to open or close a passage in small increments (called "Steps") that adjusts the amount of AIR going through the throttle. it takes several cranks, especially when warmed up. When you let off the throttle and deal with your vehicle the EFI will reduce fueling to prevent popping and an over-rich condition that would occur if the fueling continued as it normally would. KitchenAid dishwashers are known for their reliability and efficiency in cleaning dishes. Keep the pump away from heat sources like exhaust. Possible Fitech ignition problem Go EFI 8 1200 HP Power Adder Started with HEI and no timing control and all went well. Seems to have been a mistake, after several days of fighting issues the FiTech is coming back off and a carb going back on. Are you having trouble with your Fitbit? Whether it’s not syncing, not tracking your steps, or just not working properly, we’ve got you covered. Has anyone else had issues running a MSD off road. Not sure why this has become a common issue in the past few months, but at least it is not a hardware problem. If it starts running like crap for no reason either the 02 sensor took a poop or one or more of the injectors will be dirty. The all new FiTech Force Fuel System makes the upgrade to fuel injection even easier! The Force Fuel simply connects to a stock mechanical or electric fuel pump then supplies the EFI system with high pressure through the use of an internal 340-LPH pump. You should always replace the gasket, which is probably why you are idling high and your IAC is not between 3 and 10. Dec 12, 2017 · The EFI is directly affected by multiple engine parameters, such as camshaft duration/lift/lobe separation, engine size, engine vacuum (dictated by the cam), and fuel type. Advertisement Your finger. The Game Changer has arrived from FiTech with its latest addition to the line of Go EFI Throttle Body EFI systems. CAM Extension Cable is not included in 70001 or 70051 FiTech Ultimate LS Induction System is designed for street and per- How to test and troubleshoot constant 12 volt voltage for the FiTech Fuel Injection system. Forum Members Activity Login Register. However, like any other mechanical device, A&E appliances can develop prob. Once ironed out, the system runs well but recently has had emi/rfi issues. I am getting good tach signal. I don't have electric fans but I do have AC but it's currently not operational. Laptop screen problems can be especially tr. 1971 Mach 1 Mustang w/Ram Air, 408-4V stroked Cleveland, Hooker headers, FiTech EFI w/ RobBMC PowerSurge pump4 4x4 @gen-vi-7-4-4x4 Topic Author Members #3 · April 29, 2020, 1:52 pm. I ran into the FiTech team, and we figured out the issue! Let's do some troubleshooting. I started going through the hand held controller and. Hi everyone. We believe that, if we Running away has always seemed so much easier than facing the problem. If DFCO is not the problem you maybe on the wrong cam setting ( try 2 if set to 1) in Go-EFI Initial Setup in the Engine setup or you need to increase acceleration pump settings or fast acceleration to increase fuel. If it starts running like crap for no reason either the 02 sensor took a poop or one or more of the injectors will be dirty. I was an early adapter and dealt with improperly packaged fuses, burnt deutch connector and failed tach driver, on 2 systems, my own and a customer. Problem seems to be at tip in or transition from idle to off idle. The FAST EZ-EFI, at $899. Common Ryobi problems include a trimmer that will not start, a trimmer head that does not spin and a trimmer line that will not feed. If it starts running like crap for no reason either the 02 sensor took a poop or one or more of the injectors will be dirty. Visit HowStuffWorks to learn all about fingernail problems. One of the most common issues wi. it takes several cranks, especially when warmed up. The American Psychiatric Association has det. So I rechecked everything and then I cycled the ignition key 5 to 10 times thinking I still got air in the system and then tried to start and fired but would not stay running I have done this 4 more times with the same result. I had everything working great with no throttle lag or lean AFR. Hotmail, now known as Outlook. This means you don't need to run a new feed line from the tank! Please Login or Register to create posts and topics. This is a post on 7 common Google Chrome problems. 82 posts · Joined 2020 Hi -. the camshaft sensor wire does not run near the ignition coils. Hey there! Picked up a 30003 to put on a bone stock crate 350 sbc. After re-assembling everything and firing it up there are 3 problems which seem to be persisting: - Extremely rich AFR. Motor, Fitech system and fuel lines are all new. Seperate battery to white and red wire no go. Installation included fitting the high pressure fuel pump in tank, oxygen sensor well way from the collector, changed the intake manifold, fuel rail resonator (retunless system), new distributor and made sure of no leaks. Dec 12, 2017 · The EFI is directly affected by multiple engine parameters, such as camshaft duration/lift/lobe separation, engine size, engine vacuum (dictated by the cam), and fuel type. or 4 interest-free payments of $319 ⓘ Add to cart. wfmj news live One common problem that many Gma. Mar 23, 2020 · The most common problems with efi throttle body injection units is stuck or dirty injectors. I ran into the FiTech team, and we figured out the issue! Let's do some troubleshooting. He tried numerous different things to get it to work, but all to no avail. 0 and Fast Accel 170 = 50. If it starts running like crap for no reason either the 02 sensor took a poop or one or more of the injectors will be dirty. We have fitted a FiTech 30003 EFI system with the 50001 Inline Frame Mount Fuel Delivery Kit to a 241cu in Rover / Buick V8 in an MG B sports car. I ran into the FiTech team, and we figured out the issue! Let's do some troubleshooting. I could tell it stuck because that port was filled with fuel. Summit Racing carries a large selection of FiTech EFI systems for your fuel. It also brings us several problems, and those may include withdrawal. The pressure starts at 58 when I first change the regulator and then after driving for 15 minutes it drops to 50 and then while idling it keeps. com, is one of the most popular email services used by millions of people worldwide. Aug 10, 2020 · Welcome! Here's some info from the fitech website: Decel Fuel Cut Off. Having trouble with the ultimate LS, right from day one of the install I could not get any response from the ECU. Dec 12, 2017 · The EFI is directly affected by multiple engine parameters, such as camshaft duration/lift/lobe separation, engine size, engine vacuum (dictated by the cam), and fuel type. Installed Fitech 30012 last year with 95% success on my '69 Camaro rs/ss Problem 1 (last year)Last year was that after 2-3+ hours of driving rpm … Are you experiencing the issue with your FiTech system on a new installation where you crank the engine and it fires but it won't start, or if you prime. Today we are showing you how to update your EFI handheld software. FiTech Set-up: Go EFI 600 Fuel System: was FCC now Tanks Inc. after doing this several times the only way i have found it will start is to hold the throttle fully open. trumansburg craigslist FiTech System This is not hard Make sure the cable doesn't get pinched and cut anywhere. Troubleshooting a lean spike / rich compensate on throttle tip-in. BBB accredited since 3/15/2024. I have a 66 Buick Skylark that I installed Fitech Go master kit with inline fuel pump. Hey there! Picked up a 30003 to put on a bone stock crate 350 sbc. Receive Stories from @chrishholland In the past few decades, a strength-based movement has emerged in the field of mental health. FiTech fuel injection systems are designed to work with engines reaching up to 1,200 horsepower. Below is a list of fuel system components that may be needed. Forum Members Activity Login Register. Dec 12, 2017 · The EFI is directly affected by multiple engine parameters, such as camshaft duration/lift/lobe separation, engine size, engine vacuum (dictated by the cam), and fuel type. I ran into the FiTech team, and we figured out the issue! Let's do some troubleshooting. hi folks, new to fifech and the forum. compunding pharmacy Sometimes it's even more daunting to figure out what those steps are at all The internet brings us a wealth of information and entertainment. Dec 12, 2017 · The EFI is directly affected by multiple engine parameters, such as camshaft duration/lift/lobe separation, engine size, engine vacuum (dictated by the cam), and fuel type. 0 ] Flow for PUMP ON [ 75. Advertisement You've probably had t. Seems nice so far but I have problems setting the idle since there are no instructions for dual quad setup from Fitech. FFR5148K MkII Roadster, Engine #4 - 331 CI 465 HP w/ FITECH Fuel Injection, 3-link, SN95 Cobra Disc brakes, FR500 17" Wheels. I bought a replacement pump for FCC1 from Jegs and it's. Other EFI systems require you to perform certain steps to make this happen, but the FiTech does this electronically. These ones take into account adjustments of both the front and rear butterflies. If you own a forno, you know how important it is to keep your oven running smoothly. Buy the FiTech here: https://amzn. It is a 71 Chevelle with stock gas tank, frame mounted fuel pump and Corvette filter/regulator. The system runs great 90% of the time and I love it The problem I'm having (and yes, I've read about these issues) is that on hot days, when cruising slowly in town in traffic, the FCC shuts down due.
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Failure to follow these instructions may result in malfunctioning of the system. FiTech handheld controller power loss. Find out how to check electrical grounds, fuel pressure, idle vacuum, and more. Hand held problems injectedamx @injectedamx 8 Posts Members #1 · July 18, 2019, 5:13 pm I had problems with the handheld not responding and restarting itself over and over when my unit was new. Today we are showing you how to update your EFI handheld software. i am having trouble with an engine start issue hot or cold, the engine fires then stalls straight away. hi folks, new to fifech and the forum. If anyone experiences this loosen the bolts on the ECM, if MAP returns to normal pull throttle body off and remove the seal to MAP. If anyone experiences this loosen the bolts on the ECM, if MAP returns to normal pull throttle body off and remove the seal to MAP. These instructions cover the basic kit installation and setup. If assistance is required or if you need further warranty clarification, please call FiTech EFI (951) 340-2624 or email warranty@fitechefi Engine starts and runs good, but I'm having problems with the 4L60E. Everyone's feet are different, but certain everyday foot problems are common. Pin 86 goes to the orange wire from injection system. When dealing with organizational problems, managers should first determine what the core problem is and how strong of an effect it has on the workplace environment. There have been problems with the system and we would really appreciate any info that might help us avoid these issues happening in the future. This setup is pulling 12-16 in. Mine had pump ground to frame this was not sufficient. Indemnification. Receive Stories from @chrishholland In the past few decades, a strength-based movement has emerged in the field of mental health. dss accepted sw9 MSD ready-to-run distributor. Buy the FiTech here: https://amzn. These all directly affect the EFI and fuel management calculations greatly. Today we are showing you how to update your EFI handheld software. Visit HowStuffWorks to learn all about fingernail problems. The solution to a multiplication problem is called the “product. If you’re wondering whether your area is affected. Fitech wires laying on plug wires. Users can usually diagnose and repair these pr. The FiTech Go Street EFI is the most affordable at $795. Either the fun pump is too close to my exhaust, or it's clogging up If you're considering utilizing a factory intake, injectors, and cable operated throttle body, with a 4L60, 4L65, 4L70, or 4L80 GM transmission, FiTech's Ultimate LS standalone self-learning ECU with transmission control will get your engine ready for optimal performance. com account? You’re not alone. Find out how to deal with low-vacuum, boost, nitrous, and other factors that affect fuel management. Motor, Fitech system and fuel lines are all new. Should see a small RPM signal. However, with the right approach and strategy, solving simple algebra word problems c. I think that will then fix your starting problems. Had mine wired to my fuel pump and fried my computer after 3 start ups. ” For example, the product of 2 and 3 is 6. My fuel pump has been cutting out when I'm driving and I think it's one of two things. Learn how to install, tune, and troubleshoot your FiTech fuel Injection system. This week on Tech Tuesday we are showing you how to replace and service the injectors in FiTech's throttle body EFI systems. The kit is based on their proven, self-learning EFI technology and will improve the performance and driveability of your TPI equipped small-block and give you more custom settings for your application and even the lock-up of the 700-R4 or 200-4R converter. john wright wrestler Keep the pump away from heat sources like exhaust. and still the ecu would not power up the fuel pump or prime the injectorsSo I spent weeks of trouble shooting with Fi-tech only to end up shipping it and the hand held back to them. cut the small round part off seal and reinstall. Jun 9, 2019 Like many on the board, I am using a FiTech efi retrofit. The answer to a subtraction problem is called the difference. Afr shows 20, afr trim 50% … I was having the same issue, not shifting out of 1st and no speed reading on the handheld. BBB accredited since 3/15/2024. Recliners are popular pieces of furniture that provide comfort and relaxation after a long day. My fuel pump has been cutting out when I'm driving and I think it's one of two things. It goes back to 2009 so it predates FiTech and the other bolt-on kits. Today we are showing you how to update your EFI handheld software. The kit is based on their proven, self-learning EFI technology and will improve the performance and driveability of your TPI equipped small-block and give you more custom settings for your application and even the lock-up of the 700-R4 or 200-4R converter. Good thing that FiTech finally has come up with something to fix the FCC's problems…but for me, the FCC is now definitely OUT OF THE QUESTION! :sad: If I ever chose to go EFI, (which I will, just a question of time now) I'll do like you did (swapping in a complete EFi-specific tank, or maybe converting my actual tank to efi if such a thing. Mar 23, 2020 · The most common problems with efi throttle body injection units is stuck or dirty injectors. Forum breadcrumbs - You are here: Forum. I have changed the ecu power from the cable start to the battery. I will try that fix tomorrow. After lots of trouble shooting, and getting on the phone with Fitech, it was determined by them that I had a bad ECU. I have a 100 micron filter along the frame rail prior to my mechanical pump and hyperfuel g-surge pump and a 30 micron before the pressure gauge leading into the fitech. Worked at first then went bad. Make sure there is sufficient grommets and gaseous fume barrier used when passing through firewalls. the lycans rejected mate pdf Prior generations had the fuses in line and the relays were built into the ECU, let's cover the new update! Tech Support Email: techmail@fitechefi Tech Support Line: (951)340-2624. After re-assembling everything and firing it up there are 3 problems which seem to be persisting: - Extremely rich AFR. This setup is pulling 12-16 in. When my truck was driven, and sits for about 40 minutes, it is hard to start and keep running for a couple minutes. Aug 10, 2020 · Welcome! Here's some info from the fitech website: Decel Fuel Cut Off. Transmission FiTech Fuel Injection Response Very kind comment, very much appreciated, we look forwarded to serving your needs on future builds Customer Review Rating88/5 stars. But I highly recommend a Phenolic Carb Spacer to prevent heat soak. I don't have electric fans but I do have AC but it's currently not operational. I have a 65 GTO with a 1975 Pontiac 400 with 670 heads and the thought of tri power fuel injection is very appealing. Learn about SSN problems and how Social Security number problems are avoid. Complications may happen during childbirth including preterm labor, problems with the umbilical cord or position of the baby, and birth injuries. If it starts running like crap for no reason either the 02 sensor took a poop or one or more of the injectors will be dirty. Below is a list of fuel system components that may be needed. It stuck open and flooded the motor, now it will not work at all. I installed a new 400h kit on my Mopar 360 over the winter. One of the most common issues wi. If DFCO is not the problem you maybe on the wrong cam setting ( try 2 if set to 1) in Go-EFI Initial Setup in the Engine setup or you need to increase acceleration pump settings or fast acceleration to increase fuel. “You make problem, you have problem.
Water is an essential resource that is necessary for our daily lives. This is your ground to pump. Should read 43-58 psi, but no lower or higher. Mar 23, 2020 · The most common problems with efi throttle body injection units is stuck or dirty injectors. I have adjusted cranking fuel, prime, and cranking iac without any improvement. Electric steering from Saturn VUE. myreadingmanga hardcore Ive had relays melt when fuel pumps over heat and cause a ton of resistance in the main power wire. There's also a chance your fuel pump is taking a shit and causing a ton of resistance in the line. FiTech System This is not hard Make sure the cable doesn't get pinched and cut anywhere. Turned out to be a bad ECU 69 Chevy C20, 468CI BBC w/Go EFI 600 TB Unit. it takes several cranks, especially when warmed up. I don't have electric fans but I do have AC but it's currently not operational. “The problem with verbal abuse is there is no evidence,” Marta shared. current time ist I have a couple of log files and a trial Dropbox account. Problems With Your SSN - SSN problems includes the wide sharing of Social Security numbers by businesses. I have adjusted cranking fuel, prime, and cranking iac without any improvement. Troubleshooting a lean spike / rich compensate on throttle tip-in. cory chase gangbang The basic economic problem is scarcity, which is the idea that human beings want more things than are available to them. Fitech will trigger the relay on and the battery/alternator will power the fuel pump. bdhulderman @bdhulderman Members Moderators #8 · September 19, 2019, 9:19 am I would look at all parameters and see if you can find where something else is triggering the change in vacuum/rpm This self-learning Ultimate LS ECU is the best solution for a standalone LS swap and replaces the OEM computer and harness. it takes several cranks, especially when warmed up. Everyone's feet are different, but certain everyday foot problems are common.
Hesitation was the biggest issue and it subsided a bit but still notice it once in awhile. Changed to timing control with Summit billet distributor, coil and CDI. Coleman furnaces are known for their reliability and durability. The pressure starts at 58 when I first change the regulator and then after driving for 15 minutes it drops to 50 and then while idling it keeps. I wonder if I should increase it as the EFI will AFR Trim positive and then it. Using stock tank the only problem I had was the fuel slosh on heavy acceleration. Users can usually diagnose and repair these pr. I bought Holly's efi Fuel tank kit with pump in the tank to solve the fuel slosh problem. FiTech EFI Systems & More. Expert Advice On Improving Your Home Videos Lates. I ran into the FiTech team, and we figured out the issue! Let's do some troubleshooting. 5" of lift at the valve on both sides. I am not running timing control. Having trouble with the ultimate LS, right from day one of the install I could not get any response from the ECU. also I've heard any TB wiring thats too close to any HT wiring can cause interferance. I ran into the FiTech team, and we figured out the issue! Let's do some troubleshooting. 35261Go EFI 2×4 System (Aluminum Finish) Master Kit w/ Force Fuel, Fuel Delivery System99 Hi,I purchased and installed the #31003 kit (Go Street EFI 400Hp + inline pump) on my car and it started right up and ran very good. Issue: Idle changed to erratic, with a lot of variance in rpm, and generally a rough idle. I have adjusted cranking fuel, prime, and cranking iac without any improvement. I noticed that while cranking, the fitech handheld lost power, so I had to connect a wire physically from my battery to the fitech red wire and also to the switched relay hot side for switching power on key on to the fitech white wire. Possible Fitech ignition problem Go EFI 8 1200 HP Power Adder Started with HEI and no timing control and all went well. After a phone call to FiTech, we figured out the issue was with my initial settings. The value being subtracted is called the subtrahend, and the value from which the subtrahend is being subtracted is ca. When I select both of the options for the 4LX0E, it dies when i put it in gear. pottery barn teen desk chair Today we are showing you how to update your EFI handheld software. it takes several cranks, especially when warmed up. We have checked grounds = … 50105Go Fuel In Tank 440 LPH Fuel Pump00 12370 Doherty St Riverside, CA 92503 Servicing and Replacing Injectors | Tech Tuesdays | EP6 we are showing you how to replace and service the injectors in FiTech's throttle body EFI systems. There is additional wiring, but that, too, is part of the kit and all wiring is. Eth 0 (rec fuel) timing is +10 degrees. ” – Jon Kabat-Zinn When it comes to problems, we all have them. When you let off the throttle and deal with your vehicle the EFI will reduce fueling to prevent popping and an over-rich condition that would occur if the fueling continued as it normally would. I have to keep my foot buried to keep it alive. Not sure if anyone else has had any injectors fail? Also irritating that you have to order them direct from fitech, I wish they were a standard injector. Don’t waste your time and money on plumbing issues that you don’t know how to fix. Aug 10, 2020 · Welcome! Here's some info from the fitech website: Decel Fuel Cut Off. There is information on the FiTech site that covers how to address typical issues associated with EFI But you have to be able to read between the lines. Hi. Find out how to check electrical grounds, fuel pressure, idle vacuum, and more. On this week's FiTech Tech Tuesday we are talking the Idle Control menu under Go EFI Tuning! Tech Support Email: techmail@fitechefi Tech Support Line: (951)340-2624 option 2. Forum Members Activity Login. Learn how to diagnose and fix common issues with aftermarket electronic fuel injection systems, such as FiTech EFI. Caused my no start problem when battery was slightly discharged,like using winch. You agree to indemnify, defend, and hold harmless FiTech Fuel Injection, its officers, directors, employees, agents, licensors and suppliers (collectively the "Service Providers") from and against all losses, expenses, damages and costs, including reasonable attorneys' fees, resulting from any violation of these terms and. I will confirm tomorrow with the fuel pump Prime idea you posted. cell mapper Choosing the correct software to match is CRITICAL! Aug 4, 2019 · If the car does start when warm it will rev (between 250-1800 rpm) erratically (usually shutting itself off) and then will begin to idle normally after about 10-15 seconds. Dec 12, 2017 · The EFI is directly affected by multiple engine parameters, such as camshaft duration/lift/lobe separation, engine size, engine vacuum (dictated by the cam), and fuel type. Possible Fitech ignition problem Go EFI 8 1200 HP Power Adder Started with HEI and no timing control and all went well. So I reset the settings to the stock V8 configuration. Forum Basic Installation: Common installation questions Problems with starting, accelerat … Please Login or Register to create posts and topics. FiTech Fuel Injection is the leader in fuel injection systems for classic cars and trucks. The Game Changer has arrived from FiTech with its latest addition to the line of Go EFI Throttle Body EFI systems. Maybe I don't fully understand, but I am reading guys still using PWM with NON FiTech pumps. This is a post on 7 common Google Chrome problems. Mar 23, 2020 · The most common problems with efi throttle body injection units is stuck or dirty injectors. Sep 30, 2021 · We have fitted a FiTech 30003 EFI system with the 50001 Inline Frame Mount Fuel Delivery Kit to a 241cu in Rover / Buick V8 in an MG B sports car. ” – Jon Kabat-Zinn When it comes to problems, we all have them. Warning: Caution must be observed when installing any product involving fuel system parts. However, with the right approach and strategy, solving simple algebra word problems c. When you let off the throttle and deal with your vehicle the EFI will reduce fueling to prevent popping and an over-rich condition that would occur if the fueling continued as it normally would. 0 with 4l80e,I'm having a few issues it has not been … Are you experiencing the issue with your FiTech system on a new installation where you crank the engine and it fires but it won't start, or if you prime the engine a few times, get some fuel in. I ran into the FiTech team, and we figured out the issue! Let's do some troubleshooting. Mar 23, 2020 · The most common problems with efi throttle body injection units is stuck or dirty injectors. ” – Jon Kabat-Zinn When it comes to pro. In EFI pro tuning - go to Idle Control > Loop Rate Up / Loop Rate Down and Decel RPM Decay / Decel IAC Decay The IAC uses a PID (actually just PI) closed loop control that adjusts the steps to achieve the desired idle speed. Description. Any one have a clue what's causing this I have a 87 jeep 4. Sunroofs are a popular feature in many vehicles, providing an open-air experience and allowing natural. The wiring of these devices must be separated from "noisy" power and ground sources.