1990 Chevrolet C70 C7D042 7.0L Misfire, BACK FIRE
this vehicle pops out the exhaust on decel between shifts, we believe that the air injections isn't working corrrectly but we don't have any information on how the system works. we are hoping that some medium truck shop has the electrical diagram and thr theor...
FIX posted 12/23/2009
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Message Closed w/FIX
Vehicle Data1990 Chevrolet C70 C7D042
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Message Closed w/FIX
Vehicle Data
1990 Chevrolet C70 C7D042
VIN | 1GBL7D1E7L |
Engine | 7.0 L / 8 cyl / GAS |
Delivery | CARB / 4V HOLLEY |
Emissions | CA. EMISSIONS |
Symptoms | Misfire, Back Fire |
Occurs | On Decel |
Misc. | Dual Air Injection System |