If power in orange wire during prime it is not the unit. Still having a lot of problems running lean and backfiring when rpms get over 3000.
Fitech Fuel Injection
Fitech fuel pump problems. Hopefully your installer used the fitech orange wire to go directly to the pump without a relay. Just make sure it maintains pressure. Replaced the in tank with a fitech pump and put in a fuel pressure gauge near the throttle body. You set your prime to a longer period of time. A standard mechanical fuel pump can. It is something to do with the pump or ground for the pump.
Fitech fuel injection new auto parts. One common problem that many car builders have when installing efi is getting the fuel pump to provide a constant supply of high pressure fuel to the injectors. Well i finally got a hold of fitech. I will be filling a. After leaving message after message to 3 different techs facebook messages facebook page posts and emails i finally got a hold of a human being. I would suggest you get a fuel pressure gauge.
Test the fuel pump fuse for power when priming. I have mine set to 20 seconds some times. If so you can use pwm to slow the pump and reduce the noise. Then the handheld seemed to fail. Carry a test light. I had to find out what was wrong from other people who had the same problem.
I have a new fuel pump on the way so i hope that fixes my issues. Fuel pumps etc spent hours with tech support and nothing. If pump is really loud it is most likely working too hard.
Gallery of Fitech Fuel Pump Problems
