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P0021 Diagnostic Trouble Code Discussion for April 2009

Camshaft Position 'A' Timing Over-Advanced / System Performance (Bank 2)


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Trouble Ticket Help Requests for DTC P0021
Help Request Posted
2006 Ford F-250 Super Duty XL 5.4L Surge, MIL Lamp on VIN: 1FT5W21596
P0021: . ... fire under load. We pulled the front cover and valve covers. Replaced the left cam phazer, the locating pin was loose. We checked the timing marks and everything was in time. Replaced the left solenoid and tensioner (it had blown gasket) and customer had a...
April 10, 2009
2006 Ford F-250 Super Duty XL 5.4L Surge, MIL Lamp on VIN: 1FT5W21596
P0021: . ... fire under load. We pulled the front cover and valve covers. Replaced the left cam phazer, the locating pin was loose. We checked the timing marks and everything was in time. Replaced the left solenoid and tensioner (it had blown gasket) and customer had a...
April 24, 2009
2003 Volkswagen Passat W8 4.0L Poor Idle Quality, MIL Lamp on VIN: WVWUK63B73
P0021: intake a camshaft position timing over advanced bank 2. ... position actuator. Actuators are activating and clicking. Unable to locate and information for further testing. Check engine light returns immediately (P0021 and P0018) after clearing and restarting the vehicle. Looking for ...
April 27, 2009
2004 Ford F-150 FX4 5.4L Misfire, engine noise VIN: 1FTPX14574
P0021: Variable Cam Timing Over Advanced (Bank 2). ... really got me stumped.It came from the ford dealership after they had changed the right hand timing chain and guides because one of the guides broke. They also replaced the right hand cam phaser and the solenoid. When it came to me it had set code p0012 fo...
April 29, 2009
2005 Ford F-150 FX4 5.4L Hesitation, Cuts out, MIL Lamp on VIN: 1FTPW14555
P0021: Variable Cam Timing Over Advanced (Bank 2). customer parked truck for around 4 days when restarted truck ran fine until he drove down the road then it ran rough, has top end noise and momentary loss of oil pressure. both cam sensors have been replaced and oil changed with 5w20 syn blend runs fine at idl...
April 29, 2009