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P0021 Diagnostic Trouble Code Discussion for August 2008

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


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Trouble Ticket Help Requests for DTC P0021
Help Request Posted
2004 Ford F-150 XL 5.4L Excessive Emissions, Poor Idle Quality, MIL Lamp on VIN: 1FTVX12524
P0021: Variable Cam Timing Over Advanced (Bank 2). ... a problem with this 150 that we could use some help on. We did a R&R on the heads and got this thing back together and now it will hardly run. We did not remove the cam sprockets from the cams and the cams are installed in the right heads. It appears t...
August 26, 2008
2004 Ford F-150 XL 5.4L Excessive Emissions, Poor Idle Quality, MIL Lamp on VIN: 1FTVX12524
P0021: Variable Cam Timing Over Advanced (Bank 2). ... a problem with this 150 that we could use some help on. We did a R&R on the heads and got this thing back together and now it will hardly run. We did not remove the cam sprockets from the cams and the cams are installed in the right heads. It appears t...
August 27, 2008
2004 Ford F-150 XL 5.4L Excessive Emissions, Poor Idle Quality, MIL Lamp on VIN: 1FTVX12524
P0021: Variable Cam Timing Over Advanced (Bank 2). ... a problem with this 150 that we could use some help on. We did a R&R on the heads and got this thing back together and now it will hardly run. We did not remove the cam sprockets from the cams and the cams are installed in the right heads. It appears t...
August 26, 2008
2004 Ford F-150 XL 5.4L Excessive Emissions, Poor Idle Quality, MIL Lamp on VIN: 1FTVX12524
P0021: Variable Cam Timing Over Advanced (Bank 2). ... a problem with this 150 that we could use some help on. We did a R&R on the heads and got this thing back together and now it will hardly run. We did not remove the cam sprockets from the cams and the cams are installed in the right heads. It appears t...
August 27, 2008