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GMC
Sierra
Engine
Symptoms
Idle Erratic
1997 GMC Sierra Idle/running problem
1997 GMC SIERRA
85,996 MILES • V8 • 2WD • AUTOMATIC
MJSTRONG
MEMBER
2 POSTS
Need some information, could someone give me a description on how a bad or clogged cat converter would make a vehicle run. Thanks. Marc SAFB, TX
Jan 24, 2008 at 12:13 AM
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BLACKOP555
✓
Experienced Mechanic
10,386 POSTS
Poor acceleration and high speed running. also will start good then start bogging down when warming up.
Jan 24, 2008 at 3:22 AM
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Engine won't start
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Engine stalls while driving
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