Question about 2002 GMC Envoy
Under 1000 rpms it chugs and wants to die and throws the code p0507
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Posted on Jan 02, 2017
SOURCE: 2002 GMC Envoy
I just had this problem on my Envoy on July 14, 2008, I called the guaranty company and they sent my truck to a chevy dealer, after 4 days they fixed. It was the ignition switch.
Posted on Jul 19, 2008
SOURCE: 2002 GMC Envoy is having
I ran into this concern with my 2002 and my wife ran into the almost identical problem with her 2003. this may sound silly,, but it was the clutch fan. Extreme loss of power from time to time came first. Then a roar of the what seemed like the engine when stopping. Actually cut off after it started to roar at highway speeds, and had absolutely no excelleration from time to time. Sometimes all of the symptoms completely went away. After taking mine to the dealer several times, finally they got it right and replaced the fan clutch. When my wifes 2003 SLt started doing the exact same thing as my 2002 had done, we both knew what the problem was, and the dealer did a quick fix. $600.00. Perhaps this should have been a recall feature, but never was. Everyone that I know that has an envoy, somewhere around the 72,000 and 103,000 mile mark has had this problem and have had to have the clutch fan replaced. It may sound like the vehicle is going to have to be junked,, but that is all it needs.
Posted on Dec 01, 2008
4.2L Engine the thermostat and the neck where the hose goes on is one unit $25 at autozone
Posted on Dec 29, 2008
one, five, three, six, two, four
The plastic intake should have this sequence molded into it somewhere, and even the corresponding cylinder numbers in front of their respective holes. Have fun, and thanks for posting on Fixya.com
Posted on Mar 20, 2009
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