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P0021 Diagnostic Trouble Code Discussion for March 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 Ford F-250 Super Duty Lariat 5.4L Poor Idle Quality, Cuts out, Stall, MIL Lamp on VIN: 1FTSW21565
P0021: Camshaft timing over advanced bank 2. ... f-250 with 5.4l 3 valve engine with 200,000 miles. Truck runs very rough at idle then will smooth out and run fine. road test and truck will barely pull itself. never dies but has no power then will go for a while (runs poorly but will run). cylinder contr...
March 06, 2013