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GMC
Sierra
Engine
Symptoms
Idle Rough
Rough IDLE and Stalls
BONECOLLECTOR2012
MEMBER
1997 GMC SIERRA
140 MILES
My 97 GMC Sierra has a really rough idle and it dies when you stop at a lighht. What could thhat be?
Sunday, August 19th, 2012 AT 2:00 PM
1 Reply
ASEMASTER6371
MECHANIC
52,797 POSTS
Look for vacuum leaks. Check to see if the injectors are working correctly. The spray patterns should be the same.
Check fuel pressure.
Throttle body gaskets are common failures for this condition
Roy
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Sunday, August 19th, 2012 AT 2:10 PM
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