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GMC TSB #PIP-4828-A
2012 GMC Savana
TSB Document:
Affected Component: ENGINE (PWS)
- Summary
- CHEVROLET/GMC: AFTER COLD STARTING ENGINE AND PLACING IN GEAR, WOULD HAVE A ROUGH IDLE AND/LACK OF POWER, MOMENTARILY BEFORE STARTUP A FEW MINUTES LATER. MODELS 2009-2013 EXPRESS, SILVERADO, SUBURBAN, SAVANA, SIERRA. *PE
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