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P1223 Diagnostic Trouble Code Discussion for October 2009

Fuel Injector 1 Output Circuit Malfunction


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Trouble Ticket Help Requests for DTC P1223
Help Request Posted
2005 GMC Sierra 3500 6.6L Hesitation, Cuts out, Misfire VIN: 1GTJK33225
P1223: Fuel Injector 1 Output Circuit Malfunction. ... running rough and a pinging sound from engine, 2 months ago, Now back for same concern. Truck will miss while driving. I originally replaced cam sensor and checked tone wheel, appears ok. Came back in with above codes. Cleared codes and P0016 - cam/crank s...
October 08, 2009
2005 GMC Sierra 3500 6.6L Hesitation, Cuts out, Misfire VIN: 1GTJK33225
P1223: Fuel Injector 1 Output Circuit Malfunction. ... running rough and a pinging sound from engine, 2 months ago, Now back for same concern. Truck will miss while driving. I originally replaced cam sensor and checked tone wheel, appears ok. Came back in with above codes. Cleared codes and P0016 - cam/crank s...
October 08, 2009