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2004 GMC Sierra 3500 6.6L Poor Idle Quality
We are at a loss on this, have spent hours tracing wiring. Suspect the FICM, but is a pricey part to replace being unsure. Has anyone run across this before, or know a way to test the FICM? The truck runs fine for 10 mins or so, then check engine light comes o...
FIX posted 2/5/2010
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Message Closed w/FIX
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6 Replies Received
6 Replies Received
Related Documents & Media | VIN | 1GTHK33254 |
| Engine | 6.6 L / 8 cyl / DIESEL |
| Trans | 5-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality |
| Occurs | Always |
| Misc. | Crew Cab |
Trouble Codes
| P0208 | Fuel Injector 8 Control Circuit Malfunction |
| P2149 | Injector Group 2 Supply Circuit Open Load |
Message Closed w/FIX
Vehicle Data
2004 GMC Sierra 3500
| VIN | 1GTHK33254 |
| Engine | 6.6 L / 8 cyl / DIESEL |
| Trans | 5-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality |
| Occurs | Always |
| Misc. | Crew Cab |
Trouble Codes
| P0208 | Fuel Injector 8 Control Circuit Malfunction |
| P2149 | Injector Group 2 Supply Circuit Open Load |
Video