P0021 Diagnostic Trouble Code Discussion for May 2017
Camshaft Position 'A' Timing Over-Advanced / System Performance (Bank 2)
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| Help Request | Posted | |
| 2008 Pontiac G6 GXP 3.6L Poor Fuel Economy, MIL Lamp on VIN: 1G2ZM17748 P0021: int cmp perf bk2. Customer complaint of lack of power and poor fuel economy. Upon scanning computer the above codes were found. I ckd scan data and according to the info everything looked good. I did visual on connections of cam sensors and solenoids. All looked good. I cleared... |
May 18, 2017 |
