2004 gmc envoy stall at idle issue

billr

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#16
With intermittent problems, logging data can be a big help. If what you have available doesn't log, then consider an ELM327 link to a PC/phone.
 
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#17
Hadn't honestly thought of that, either an ELM327, or a fairly affordable flight recorder.
 

jd

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#19
^x2. IAC Valve can be cleaned (manual recommends against it) or replaced for probably around $20.
 
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#20
I am so glad I found this Forum...Did anyone find out the issue with "Turning the steering wheel on Idle (red light) and stalling on GMC Envoy XUV"
thank you for replies.