Fitech afr problem

Author: ofkz

August undefined, 2024

WebOct 28, 2016 · The afr fluctuates 13.5ish to 16.5 ish. The first fuel pressure regulator on the unit leaked fuel from the vacuum line. Fitech sent me a new one and it does the same thing. The clamp style o2 bung was leaking so i welded one in and no change. I'm running a tanks inc efi tank with walbro 255 pump. WebApr 30, 2024 · Idle AFR is rich, but that is intentional. You can lean it out, but don't swing for the 14.7 fence right off the bat. Depending on your engine, leaning the AFR numbers out too much can cause all kinds of grief. In my experience fooling around with various parameters, the system is very sensitive to the baseline AFR numbers.

Replaced FiTech Go Port with a Pro-Flo 4 Team Chevelle

WebOct 26, 2024 · The problem is, it's not accurately sensing the AFR. Fresh air is being introduced on the monitored bank altering the AFR, the sensor is faulty, or that monitored bank is actually at correct AFR but the other bank has a dead/failing cylinder or other issue pumping fuel into the exhaust. My money says it's an exhaust leak. WebRich idle and no way for it to turn down : r/EngineBuilding. Fitech problems. Rich idle and no way for it to turn down. Okay lemme start of with what engine I have. I have a mid 80s smog caprice wagon 305 everything basically stock. My problem is that it used to work when I got it installed in the car for test drives in my yard and idle. inch of their life

Fitech tuning... acceleration issue Page 2 StangFix.com

WebOct 9, 2016 · Number 1 is for Idle AFR which can range from 13.4 to 14.7 on average depending on the engine. Adjusting this setting will help idle quality and takeoff from an idle. The 1100, 3000, 6000 at 45kpa cruise are your cruising AFR ratios, these can vary from 13.8 to 14.7 on average depending on the engines needs and your desired fuel economy. WebMay 20, 2024 · I am running the electric fuel pump that came with the fitech kit along with the filters it came with. Fuel lines were replaced. It runs fine after the warm start problem … WebNov 30, 2024 · 4,678 Posts. #4 · Mar 1, 2024. I think the handheld will tell you the fuel pressure. If the pressure is correct you might not need to relearn the fuel trims and may … inch of rain volume

Replaced FiTech Go Port with a Pro-Flo 4 Team Chevelle

Fitech EFI problems Hot Rod Forum

WebApr 4, 2024 · How Closed Loop AFR Trim & Learn Work Part 2 Tech Tuesdays EP48. Recent Posts. CTS Scale Procedure Tech Tuesdays EP63 April 4, 2024; ... FiTech Fuel Injection does not and cannot review all communications and materials posted to or created by users accessing the site, and is not in any manner responsible for the content of these ... WebOct 7, 2024 · 9. Hello All. I finally gave up and gave in with this fitech issue I am having. Setup: 5.7 V8 - Stock w/ edelbrock intake. Turbo Charged - 10 lbs. boost. Issues: after acceleration and on deceleration from cruising or WOT, AFR goes way lean (16.0 -20) and almost dies. Seems to happen more dramatically under hard braking. inch of mercury wikipediaWebJul 11, 2024 · If it was me, I would try disconnecting the tach from the car from the white wire and just use the Fitech connection to see if the problem goes away. I would also check the ground on the HI-6 to make sure it’s a solid connection. Re-Did the grounds, will try the tach. One thing I have not checked is vacuum. inch of mercury vacuum

"WebDec 11, 2016 · This video will show you where you can read and adjust the minimum and maximum values of your AFR trim and AFR learn. Note: You should not need to adjust the... " - Fitech afr problem

Fitech afr problem

Adjusting Target AFR Tech Tuesdays - FiTech Fuel Injection

WebNov 29, 2024 · component fail, it will not constitute or justify a warranty of the entire FiTech EFI system. Replacement and accessory items are available for purchase from FiTech … WebAug 29, 2016 · ENGINE SIZE: 383 - 2800 stall - manual shift rev valve body - 4.11 gear FITECH SETUP USED: Go EFI 4 600hp ENGINE VACUUM: 8.5-9" (Idle) CAM SETTING (1,2,3, or 4) AND YOUR CAM SPECS: 2 Edelbrock #7194 238/246 duration at 50 IAC COUNTS @ idle and cruise: 9-10 TIMING CONTROL: Not yet IDLE RPM: 880 TARGET …

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WebDec 11, 2024 · Since installing the new engine everytime I take out to test drive the AFR goes to almost 20 and then cuts out and pops through tail pipe. Idles fine and revs fine. I … WebSep 6, 2024 · My dad has a Chevy 454 with the 2x4/dual quad setup. It does not have fitech ignition control. Ran great last summer but recently getting a problem of the AFR …

WebMar 8, 2024 · Well, enough about me. I built my truck over 8 years period, and now it's time to finally tune my Fitech. 1. Get rid of the rich spot I get (mostly comes after a momentary lean spot) 2. Get rid of the lean spot at … WebJun 9, 2024 · I recently bought a FiTech Go EFI fuel injection system. B.L. Jeff Smith: We’ve seen this issue on several self-learning throttle body EFI systems and from what we’re reading on many of the forums, this is a common problem. The good news is there is an easy fix. If you’ve been reading my column for any length of time, you know that we …

WebJul 11, 2024 · If it was me, I would try disconnecting the tach from the car from the white wire and just use the Fitech connection to see if the problem goes away. I would also … WebJan 6, 2024 · Hook both fuel regulators to manifold vacuum, as per Fitechs instructions.. ( both FCC and Throttle body) , if not already done. This reduces my idle fuel pressure to about 48, instead of 58, and jumps up when vacuum drops. In pro tuning, under AFR closed loop, i have the the loop speed set to over 40.

WebJun 1, 2024 · at 100% throttle, AFR Target is 12.8 (which is leaner than I'd like), AFR actual is 11.3 and drops to 10.5, yet the AFR Trim % stays at 0. I also have a theory, but I havent tested it. During my tests, I reduced the Fast Accel pump to reduce the fuel dumping in. I wonder if I should increase it as the EFI will AFR Trim positive and then it ...

WebOct 25, 2024 · My FiTech system is having a hard time starting... it takes several cranks, especially when warmed up. I ran into the FiTech team, and we figured out the is... inch of metalWebJun 1, 2024 · at 100% throttle, AFR Target is 12.8 (which is leaner than I'd like), AFR actual is 11.3 and drops to 10.5, yet the AFR Trim % stays at 0. I also have a theory, but I … inalsa food processor in usaWebIDLE CONTROL. 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. The fuel calculation … inalsa food processor exchange offerWebJul 29, 2016 · Registered. Joined Jul 18, 2004. 3,139 Posts. #2 · Jul 27, 2016. No it will not. In easy terms that sensor puts out a digital signal for the efi computer, not compatible with a gauge. Sure, the FITech unit will register a temp with it and can translate it into a readable value, your gauge won't. 69 Mach One, 428CJ, 5 Speed, 3.91's. inalsa food processor in india onlineWebOct 26, 2024 · My problem was maybe 80% better at 40, but it's running 100% better at 30. Fitcech confirmed what you said, 30 is lowering voltage to the fuel pump, but also said … inch of water column to kg/cm2WebMar 10, 2024 · FiTech offers them with 36-, 55-, 62-, and 80-lb/hr ratings. Read More: ... The problem with that claim is this, you don’t drive a dyno. ... depending on the engine’s needs and desired fuel economy. The cruise AFR only affects cruise, so it will not affect acceleration or other AFR settings. WOT are enrichment settings used for adjusting ... inch of my laptopWebOct 11, 2016 · Idle afr fluctuates roughly 13.5-16.5. Welded in o2 bung. The first fuel pressure regulator on the unit dribbled fuel from the vacuum line. Fitech sent me a ... inalsa food processor citrus juicer demo