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2004 Chevrolet Silverado 2500 HD 6.6L Poor Idle Quality, Misfire, MIL Lamp on
Posted to GM Driveability on 8/17/2010 5 Replies

well folks this truck is back for the forth time. still gives code p2149. intermitant as far as when it acts up. we have replaced all 8 injector pigtail ends and checked all grounds time and time again. i just looked at the GM flash program Matrix with no luck...

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  Related Documents & Media  2004 Chevrolet Silverado 2500 HD

 
Message Closed w/Summary

car Vehicle Data

2004 Chevrolet Silverado 2500 HD

VIN 1GCHK23204
Engine6.6 L / 8 cyl / DIESEL
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire, MIL Lamp On
OccursIntermittently

Trouble Codes

P2149Injector Group 2 Supply Circuit Open Load
Message Closed w/Summary

car Vehicle Data

2004 Chevrolet Silverado 2500 HD

VIN 1GCHK23204
Engine6.6 L / 8 cyl / DIESEL
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire, MIL Lamp On
OccursIntermittently

Trouble Codes

P2149Injector Group 2 Supply Circuit Open Load