High ltft under load
WebDec 4, 2013 · In addition to these no-load checks, drive the vehicle at various steady load conditions and watch for fuel trim variation. If long-term fuel trim (LTFT) for bank 1 is 25% …
High ltft under load
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WebAug 27, 2024 · At this point literally nothing I do seems to have any effect on fuel trims, LTFT is at 18% at idle and within +/-10% under any load at all and I can't find any components … WebNov 23, 2024 · Both LTFT and STFT can be positive (more fuel) or negative (less fuel) percentages. LTFT and STFT are added together to produce the total fuel trim, and neither should exceed ± 10% in normal operating conditions. Fuel trims (LTFT, STFT, or LTFT+STFT) exceeding ±10% may indicate a problem in the engine or the sensors.
WebSep 22, 2002 · Once again more air = higher LTFT’s (more fuel) = more power…very simple. It’s “calibrated” (very poor word to use) to the range of flow inherent to the displacement of the engine. The next item was the MAFT. It was never designed to … WebApr 5, 2024 · There is no such situation as Ltft being wildly out of range and stft being in range as being healthy. The LTFTs should be +/- 2.0, and you get codes at around 11-12%. …
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WebApr 10, 2024 · Once I had that the idle temperature rose to 55-69 degrees after starting the system with an open browser on the initial page. After turning it off and on again, it worked properly at a temperature of 30-45 degrees. (browser load). (the laptop was connected to the charger) Please also tell me at what temperature the fans should turn on, and ...
WebApr 5, 2024 · P0171 P0174 High ltft under load Help! Hey everyone I just bought this 2006 ford e350 5.4 liter with these codes.I built a little smoke machine and smoked the intake I … iphone money appWebA significant increase in STFT and LTFT can be caused by: Unmeasured air is entering the engine due to a vacuum leak (higher fuel trim at idle, but less at higher RPMs) Incorrectly … iphone money bag emojiWebApr 28, 2024 · Then it goes back to mostly normal LTFT under load? If so, that would most likely be a vacuum leak. The tiniest little leak on these cars (especially regarding the PCV system) will send these cars into hysterically lean idle or light cruise conditions. If it's just bad LTFT numbers all the time, then probably not a vacuum leak. iphone money backWebAug 11, 2024 · Your LTFT is high to maintain the proper air/fuel ratio. Your STFT is swinging back and forth as it should. Your code is from adding excess fuel shown in the LTFT. If the STFT stayed low, the cat wouldn't light off, if it stayed high, the cat would get too hot, it … At the time I was using this on the 'wide open engine" it occurred to me that since … Filters arrived, have to go back under the TB. movietvet; Jan 18, 2024; Replies 23 … orange countertop laminateWeb2 days ago · Female javelin coach, 26, accused of having sex with a 17-year-old boy on the high school track and field team after 'texting him at 2am and inviting him to her home' - before pair 'had a 17-month ... orange countertopsWebOct 17, 2024 · Thread: Help diagnose / troubleshoot '10 2.0T 2k rpm surging, High LTFT,engine brake ticking. Thread Tools. Show Printable Version; 09-12-2024 01:52 PM #1. markcm. View Profile ... the rpm will pulse by about 1-200 while holding a steady foot or using cruise control and the car is under a consistent load such as a hill climb. … iphone moneysavingexpertWebMar 18, 2024 · positive LTFT on Idle. Have a quick question and wondering on some thoughts. Just swapped a 5.3L in a 91 Jeep for a guy, got it up and running but I have super high fuel trims when idling. (like +25). When I unplug the MAF the LTFTs come to a normal level +/- 5. Swaped out the maf and same thing. he didn't want to put new 02 sensors in so … orange countertop microwave