Quote:
Originally Posted by 74project
What type of wire harness do u have? I had the same problem identical to yours and it eventually got worse. Turned out to be the fuel relay fuse on the harness... Your problem is electrical. Fuel injectors don't all of a sudden fix themselves nor any other parts on a swap as you described in your post..
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Well...I think you were right. I did a voltage drop test. Voltage at battery 12.50. Voltage on pink cable to coils, and other sensors, ~12.5. With engine running, 10.2 on sensors. So I traced it back to my main fuse harness. I have it plugged to the truck's fuse box. It wasn't making a good connection and you could see it arcing. So I am going to run a power cable with a fuse directly from the battery instead. The transmission was not shifting correctly as well when it was stumbling. I'll make a change and see what happens.