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1994 Chevrolet K3500 6.5L Hesitation, MIL Lamp on
This truck has a code 56 Inj pump calibration resistor error I have a GM disel supplement manual and it is very vage on testing for this condition It say's dtc will set when pcm lost memory and is unable to read resistor value on ckt 960 witch is the circuit f...
FIX posted 9/12/2002
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Message Closed w/FIX
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Related Documents & Media | VIN | 1GBHK33F7R |
| Engine | 6.5 L / 8 cyl / DIESEL |
| Trans | 5-speed Standard |
| Delivery | FI / Electonic Ing pump |
| Symptoms | Hesitation, MIL Lamp On |
| Occurs | Always, Hot, Idle |
| Misc. | 2nd Engine |
Trouble Codes
| 56 | Inj pump calibration resistor error |
Message Closed w/FIX
Vehicle Data
1994 Chevrolet K3500
| VIN | 1GBHK33F7R |
| Engine | 6.5 L / 8 cyl / DIESEL |
| Trans | 5-speed Standard |
| Delivery | FI / Electonic Ing pump |
| Symptoms | Hesitation, MIL Lamp On |
| Occurs | Always, Hot, Idle |
| Misc. | 2nd Engine |
Trouble Codes
| 56 | Inj pump calibration resistor error |
Video