WebDec 12, 2024 · Ignition timing is even more important with EFI due to the precision that EFI offers for fuel control. – Ken Farrell, FiTech. FiTech EFI systems attempt to be as accommodating as possible for low-vacuum engines. We do have engines running with as little as five-inches of vacuum at idle, although some additional adjusting of the software … WebSep 1, 2004 · The answer is amazingly simple. The first result of a long-duration camshaft with lots of overlap is drastically reduced idle vacuum. Instead of 16 to 18 inches of manifold vacuum at idle, many ...
Symptoms of a Bad or Failing Idle Control Valve - YourMechanic
WebDec 29, 2024 · In my understanding, this setting should've been covered redundantly in the fact that FiTech does recommend disabling the PWM in my scenario, by setting the low/mid/high flow PWM values to 100%. … WebJul 25, 2024 · Long story short I ended up opening up the throttle blades with the idle screw and re-Cal the tps. Sometimes takes a few seconds to slow down to the 800 rpm idle I have it set at but no longer stalls. The hissing you hear is the fact the likely your idle air motor is open quite far and there is lots of air bypassing in the throttle body. can i give human vitamin b complex to my dog
77 CJ7 with Fitech stalling when warm. - Jeep Enthusiast Forums
WebAug 25, 2011 · Options. The problem that happens alot is with crank position sensors. Once they heat up to operating temperature they stop work intermittently like a faulty oil pressure sensor does. (only when the sensor is failing). You will have to let your engine cool off before your crank position sensor will begin to work again. WebFeb 27, 2016 · 2,939 Posts. #2 · Feb 24, 2016. I don't have electric fans but I do have AC but it's currently not operational. That's my next project, to replace the components under the hood to get my AC up and running and convert to R134 in the process. The FiTech guys are very helpful, just give them a call (951) 340-2624. Webturn the key on and go to Initial Setup on the hand held. Hit enter and find Idle Setup. Enter into this menu and start the engine. To get engine to start you may have to press the … fit w125