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1994 Chevrolet K2500 Cheyenne 6.5L Loss of Power
This truck is owned by a good customer who is always in it. I am trying to get some info before he brings it in. 21,000 miles ago we put in a reman ECM for the code 78 and it has been fine. Now the code 78 is back along with a code 34. His complaint is that th...
FIX posted 1/2/2002
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Message Closed w/FIX
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Related Documents & Media | VIN | 2GCFK29S5R |
| Engine | 6.5 L / 8 cyl / DIESEL |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Symptoms | Loss of Power |
| Occurs | Cruise |
| Misc. | Codes 34/78 |
Trouble Codes
| 34 | Injection timing stepper motor fault. |
| 78 | wastgate solinoid fault |
Message Closed w/FIX
Vehicle Data
1994 Chevrolet K2500 Cheyenne
| VIN | 2GCFK29S5R |
| Engine | 6.5 L / 8 cyl / DIESEL |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Symptoms | Loss of Power |
| Occurs | Cruise |
| Misc. | Codes 34/78 |
Trouble Codes
| 34 | Injection timing stepper motor fault. |
| 78 | wastgate solinoid fault |
Video