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GMC TSB #PIP-4664
2009 GMC Sierra
TSB Document: - Sorry, the NHTSA has not posted this TSB document yet.
You can still get the detailed info from GMC for this TSB. Call your local GMC dealer's service department & ask for a copy of TSB# PIP-4664.
Affected Component: ENGINE AND ENGINE COOLING:ENGINE:DIESEL
- Summary
- GMC/CHEVROLET: DTC P0101 WITH NON GM AIR FILTER. MAY ENCOUNTER CONCERN OF REDUCED POWER AND SES LIGHT ON. DIAGNOSTICS MAY REVEAL MAF (MASS AIR FLOW) SENSOR DTC P0101. IF DIAGNOSTICS WERE INCONCLUSIVE ITS POSSIBLE DTC P0101 IS SETTING DUE TO A NON GM AIR FILTER. NON GM AIR FILTERS HAVE SHOWN A SLIGHTLY HIGHER THAN NORMAL MAF READING. *PE
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