well, i pulled off the driverside valve cover today... and sure nuff' the harness was loose, plugged it back up, and put the valve cover back on and it was running like a champ again.
I did blow a intercooler boot off though on my test drive, put it back on and all is good,
any tips on...
here's the deal i've got a 01 7.3 powerstroke, with a 6 position chip. I started up the truck today and let it warm up and took off up the road ran fine at first, then it started shaking and i was having trouble going above 30 mph. drove back home, shut the truck off pulled off the positive...