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Posts Tagged: Erratic fuel gage

Gas gauge is erratic – GM

Gas gauge is erratic – GM GM has issued a technical service bulletin (TSB) 06-08-49-008A to deal with an¬†Erratic fuel gauge on the following vehicles: 2006 Chevrolet Malibu Maxx 2006 Pontiac G6 with 3.5L Engine Built Prior to January 12, 2006 If you find that the fuel gauge fuel gauge operation is erratic (does not go to Full or moves off Full too quickly), the cause may be the Powertrain Control Module (PCM) calibration. However, before updating the PCM, you must first update the Exhaust Gas Recirculation (EGR) valve. Refer … Read More


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