P0021 Diagnostic Trouble Code Discussion for December 2005
Camshaft Position 'A' Timing Over-Advanced / System Performance (Bank 2)
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| Help Request | Posted | |
| 2004 Ford F-150 FX4 5.4L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1FTPX14544 P0021: Variable Cam Timing Over Advanced (Bank 2). This is a real stumpper! The truck cam in with these codes and running real bad. we found some info in Alldata about that contaminated oil or the wrong oil filter could cause the varaible valve timing to act up. It had been almost 10,000 miles since the last o... |
December 19, 2005 |
