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GMC
Envoy
Engine
Computer
Limp Mode - Reduced Power
2002 GMC Envoy check engine light reduce engine power
2002 GMC ENVOY
180,000 MILES • 6 CYL • 2WD • AUTOMATIC
MAGVIEW
MEMBER
1 POST
Reduce engine power . what this mean?
Aug 28, 2008 at 10:06 AM
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MMPRINCE4000
✓
Experienced Mechanic
8,548 POSTS
Have the PCM scanned at most autoparts stores for free.
It could simply be a sensor bad that is causing it to run rich, or a low coolant level. The scan should tell you what the problem is.
Oct 21, 2008 at 12:23 AM
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