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P0021 Diagnostic Trouble Code Discussion for September 2013

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


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Trouble Ticket Help Requests for DTC P0021
Help Request Posted
2005 BMW X5 4.4i 4.4L Poor Idle Quality, Misfire, MIL Lamp on VIN: 5UXFB53595
P0021: A Camshaft position timing overadvanced Bank 1. ... misfire under idle and all other driving conditions. Customer said the misfire started during highway drive. Performed all of the above tests and procedures and there is no change. Vehicle will sometimes go into Limp mode (disables the Valvtronic) and in...
September 12, 2013
2005 BMW X5 4.4i 4.4L Poor Idle Quality, Misfire, MIL Lamp on VIN: 5UXFB53595
P0021: A Camshaft position timing overadvanced Bank 1. ... misfire under idle and all other driving conditions. Customer said the misfire started during highway drive. Performed all of the above tests and procedures and there is no change. Vehicle will sometimes go into Limp mode (disables the Valvtronic) and in...
September 17, 2013
2006 Subaru B9 Tribeca Limited 3.0L MIL Lamp on VIN: 4S4WX83C26
P0021: Camshaft Position - Timing Over-Advanced / System Performance (Bank 2). Very intermittent MIL, last time was 20,000 miles ago with exactly the same codes at which time I deleted the codes. I had thought that the low-oil level condition had caused them but the oil level was not low this time. Upon removing them today, both cam sens...
September 20, 2013
2008 Nissan Xterra X 4.0L MIL Lamp on VIN: 5N1AN08W98
P0021: Intake valve timing bank 2. ... code P0021 for intake timing control. Dis-assembled to confirm cam timing was correct.Upon inspection, cam timing was confirmed correct. Reassembled and road tested. Service engine light came on with codes P0011, and P00...
September 27, 2013
2005 BMW X5 4.4i 4.4L Poor Idle Quality, Misfire, MIL Lamp on VIN: 5UXFB53595
P0021: A Camshaft position timing overadvanced Bank 1. ... misfire under idle and all other driving conditions. Customer said the misfire started during highway drive. Performed all of the above tests and procedures and there is no change. Vehicle will sometimes go into Limp mode (disables the Valvtronic) and in...
September 12, 2013
2005 BMW X5 4.4i 4.4L Poor Idle Quality, Misfire, MIL Lamp on VIN: 5UXFB53595
P0021: A Camshaft position timing overadvanced Bank 1. ... misfire under idle and all other driving conditions. Customer said the misfire started during highway drive. Performed all of the above tests and procedures and there is no change. Vehicle will sometimes go into Limp mode (disables the Valvtronic) and in...
September 17, 2013
2006 Subaru B9 Tribeca Limited 3.0L MIL Lamp on VIN: 4S4WX83C26
P0021: Camshaft Position - Timing Over-Advanced / System Performance (Bank 2). Very intermittent MIL, last time was 20,000 miles ago with exactly the same codes at which time I deleted the codes. I had thought that the low-oil level condition had caused them but the oil level was not low this time. Upon removing them today, both cam sens...
September 20, 2013
2008 Nissan Xterra X 4.0L MIL Lamp on VIN: 5N1AN08W98
P0021: Intake valve timing bank 2. ... code P0021 for intake timing control. Dis-assembled to confirm cam timing was correct.Upon inspection, cam timing was confirmed correct. Reassembled and road tested. Service engine light came on with codes P0011, and P00...
September 27, 2013