WebSep 27, 2024 · Still wouldn't start. Pulled fuel pump relay and put in a jumper wire to run the fuel pump and it started. Put the fuel pump relay back in and it starts and drives, but the fuel pump still doesn't prime when turning the key on. I'm afraid that after sitting overnight, it will once again refuse to start. WebOct 7, 2016 · 401 Posts. #2 · Sep 22, 2016. bjherron said: I have a Fitech 600 power adder system, a new zz454 chevy performance crate motor with about 200 miles on it, tanks inc fuel tank with 400lph in tank pump. I am using an external fuel pressure regulator with it's own return so there's only one fuel line to the fitech coming from the regulator.
Advice on fresh fitech install that will not run. - StangNet
WebJul 11, 2024 · After lots of trouble shooting, and getting on the phone with Fitech, it was determined by them that I had a bad ECU. I sent it in to them, and they changed... WebIDLE 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 … office supplies berri
Won’t start, 600 - Won’t start, 600 - Fitech EFi Tuning Forum
WebMay 29, 2024 · Make sure it is between 3 and 10. no more. no less. It should settle into idling as soon as those numbers are there. If they aren't, then it is another issue. This is just what worked for me. I had to call Fitech, and that is what they told me to do, and have not had another issue, until i had a collector gasket leak. WebSep 16, 2024 · Defaults should make that motor run. Tuning at first start is not a good idea. It shouldn't die. Most likely you are not getting a good +12V to the unit. The ECU doesn't … WebApr 3, 2024 · I just hooked up a FiTech GO 4-600 on my 302. Used the wire connection to let FiTech run my coil. The controller won’t stay on. Just slowly flashes the home screen. This is a used system purchased from a reliable friend. We barrowed another controller, same issue. Check all power connections. It’s getting constant 12v from throttle body. my dog threw up red liquid