
1988 Chevrolet C3500 Cheyenne 7.4L PROM
The Owner Has Put A Used ECM From an truck that had 5.7 and also switch the big prom so that it stayed with the right motor. My Question is that there is also an small chip that is beside the prom that the owner did not change over. Would that small chip be an...
FIX posted 8/20/2006
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Message Closed w/FIX
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VIN | 1GBCHR34N4 |
Engine | 7.4 L / 8 cyl / GAS |
Trans | 4-speed Standard |
Delivery | FI / TBI |
Emissions | US FED |
Symptoms | Prom |
Message Closed w/FIX
Vehicle Data
1988 Chevrolet C3500 Cheyenne
VIN | 1GBCHR34N4 |
Engine | 7.4 L / 8 cyl / GAS |
Trans | 4-speed Standard |
Delivery | FI / TBI |
Emissions | US FED |
Symptoms | Prom |