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2004 Chevrolet Silverado 3500 6.6L Misfire
Posted to GM Driveability on 2/7/2011 2 Replies

I have a duramax with a p1223 that i can't seem to get a definitive [...] #1 injector-old one did not fire most of the time-and was good for about a [...] code has [...] a hard time blaming injector as it was a new g.m. [...] and all help appreciated.

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  Related Documents & Media  2004 Chevrolet Silverado 3500

 
Message Closed w/FIX

car Vehicle Data

2004 Chevrolet Silverado 3500

VIN 1GBJC34224
Engine6.6 L / 8 cyl / DIESEL
Trans5-speed Standard
DeliveryFuel Injection / PO1223
EmissionsOBD-II Compliant
SymptomsMisfire
OccursIntermittently
Misc.Cab and Chassis

Trouble Codes

P1223Fuel Injector 1 Output Circuit Malfunction
Message Closed w/FIX

car Vehicle Data

2004 Chevrolet Silverado 3500

VIN 1GBJC34224
Engine6.6 L / 8 cyl / DIESEL
Trans5-speed Standard
DeliveryFuel Injection / PO1223
EmissionsOBD-II Compliant
SymptomsMisfire
OccursIntermittently
Misc.Cab and Chassis

Trouble Codes

P1223Fuel Injector 1 Output Circuit Malfunction