The problem I am having, is when the truck is rather in neutral, or I am standing at a red light with my foot on the break, the RPM's jump under 500, then up over a thousand, and they will continue bouncing up and down until I start driving, a few times the rpms fell low enough that the truck actually stalled, although restarted with no problem. It also seems to lose a little power at cruising speeds, requiring me to push on the gas harder to pass a car, and this causes rpm's to jump up fast. I got it tuned up, but the problem still exists. Could it possibly be the Idle Air Control, or the EGR Valve failure.
Thanks
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Monday, May 25th, 2009 AT 11:44 AM