P0021 Diagnostic Trouble Code Discussion for November 2011
Camshaft Position 'A' Timing Over-Advanced / System Performance (Bank 2)
Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.Trouble Ticket Help Requests for DTC P0021
| Help Request | Posted | |
| 2004 Mazda 6 S 3.0L Poor Idle Quality, Stall, MIL Lamp on VIN: 1YVHP80D94 P0021: Camshaft Position Timing Over-Advanced (Left Hand). ... vehicle sets code P0021 during first drive cycle. Idle is rough and will stall at times. Removed oil control valve on front cylinder head and checked position and operation. The timing chain does not appear to be loose. The engine is clean internally. I am... |
November 11, 2011 |
