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1997 GMC C7500 6.0L Poor Idle Quality, Misfire
Vehicle came in with an initial complaint of "Runs rough, unable to exceed 45 mph while hot." Unsuccessful in duplicating the 45 mph portion of the complaint, on the road test the vehicle always ran ok, but the idle is extremely rough at stops, and in shop. Pr...
Summary posted 1/23/2006
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6 Replies Received
6 Replies Received
| VIN | 1GDL7H1P6V |
| Engine | 6.0 L / 8 cyl |
| Delivery | FI / Throttle Body Injection |
| Emissions | Not OBD-II Compliant |
| Symptoms | Poor Idle Quality, Misfire |
| Occurs | Hot, Idle |
| Misc. | Medium Duty Truck |
Trouble Codes
| 13 | Oxygen sensor open short or bad |
| 44 | Lean Exhaust |
| 45 | Rich Exhaust |
Message Closed w/Summary
Vehicle Data
1997 GMC C7500
| VIN | 1GDL7H1P6V |
| Engine | 6.0 L / 8 cyl |
| Delivery | FI / Throttle Body Injection |
| Emissions | Not OBD-II Compliant |
| Symptoms | Poor Idle Quality, Misfire |
| Occurs | Hot, Idle |
| Misc. | Medium Duty Truck |
Trouble Codes
| 13 | Oxygen sensor open short or bad |
| 44 | Lean Exhaust |
| 45 | Rich Exhaust |
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