Pontiac G8 Problems

RepairPal has identified the most common problems with the Pontiac G8 as reported by actual vehicle owners. We'll tell you what the problem is and what it'll take to fix it.

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Known Problem

Vehicles with certain V6 engines may illuminate the Check Engine Light one or more of the following codes: P0011, P0014, P0021, P0024, P0341, P0346, P0336, or P0391. Our technicians tell us that some vehicles may require a powertrain control module (PCM) software update to correct this issue. Other vehicles may have excess camshaft end play on one or both cylinder heads which will need to be corrected using special procedures outlined by GM.