
1990 Chevrolet C1500 Cheyenne 5.7L Misfire
This engine has a dead miss on #4 and #5 cylinders only at idle. Runs Great Going down the road and on acceleration. Feels just like a vacuum leak. We smoke tested and did not find an external vacuum leak. We also removed the EGR valve and checked (OK). We als...
Summary posted 1/23/2007
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Message Closed w/Summary
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VIN | 1GTEC25KSL |
Engine | 5.7 L / 8 cyl / GAS |
Trans | 4-speed Automatic |
Delivery | FI / TBI |
Emissions | OBD1 |
Symptoms | Misfire |
Occurs | Always |
Message Closed w/Summary
Vehicle Data
1990 Chevrolet C1500 Cheyenne
VIN | 1GTEC25KSL |
Engine | 5.7 L / 8 cyl / GAS |
Trans | 4-speed Automatic |
Delivery | FI / TBI |
Emissions | OBD1 |
Symptoms | Misfire |
Occurs | Always |