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