Misfire, bump or multiple bumps after a 1-2 upshift
Chevrolet technical service bulletin 3154 for 2002-2004, 2006 Chevrolet Trailblazer, 2002-2006 GMC Envoy and 2002-2005 Oldsmobile Bravada and others.
- Bulletin number
- 3154
- Component
- Engine and engine cooling: engine
- Summary
- Misfire, bump or multiple bumps after a 1-2 upshift. Tt
Owners of these vehicles have filed 687 complaints in the engine category.
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