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P0021 Diagnostic Trouble Code Discussion for September 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 Nissan Altima SE 3.5L Poor Idle Quality, MIL Lamp on VIN: 1N4BL11D54
P0021: Intake Valve Timing Control Range/Performance (Bank 2). hey all,thanks in advance.have this nissan in here that had been at local dealer for diagnosis.dealer rec timing chains and guides for repair.vehicle brought to me.replaced all 3 timing chains and guides.vehicle has same problem.runs rough at idle sets codes p...
September 16, 2008