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1988 GMC R3500 7.4L Misfire, Poor Fuel Economy, MIL Lamp on
Hi everyone, This is my first post. It's not my habit to ask for help but this ones got [...] replacing engine Customer has complained of loss of power poor fuel economy.I've performed all the normal diag. many times,all seems normal on the readings until engi...
FIX posted 5/9/2001
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| VIN | 1GDHR34N9J |
| Engine | 7.4 L / 8 cyl / GAS |
| Trans | 3-speed Automatic |
| Delivery | FI / TBI |
| Emissions | Ca Emissions |
| Symptoms | Misfire, Poor Fuel Economy, MIL Lamp On |
| Occurs | Hot, on Accel |
| Misc. | Service Body |
Message Closed w/FIX
Vehicle Data
1988 GMC R3500
| VIN | 1GDHR34N9J |
| Engine | 7.4 L / 8 cyl / GAS |
| Trans | 3-speed Automatic |
| Delivery | FI / TBI |
| Emissions | Ca Emissions |
| Symptoms | Misfire, Poor Fuel Economy, MIL Lamp On |
| Occurs | Hot, on Accel |
| Misc. | Service Body |
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