High, recently I have been noticing a recent decline in my trucks performance. Its a 88 Ford F-150 Lariat XLT 4x4 with a 302 5.0 litre fuel injected engine, and a 5 speed tranny. Its been hesitating and backfiring many times inside the headers while going down the road or accelerating. I thought it maybe the Idle air control valve because when I plug the wire back in, it does worst than if I just unplugged it, also with the IAC valve plugged in, it has a very high idle at like 1500 to 1800 rpms. I wanted to know someone elses opinion on whats wrong with it before I spend 70+ dallors on a new IAC valve.
Sunday, August 19th, 2007 AT 1:20 AM