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1991 Chevrolet K1500 Cheyenne 5.0L Spark Knock
Posting this for fellow tech in shop,his personal truck. Truck has a spark knock or detonation. Doesnt matter if truck is up to temp or taking off from cold [...] replaced egr valve(passeges clear).EGR system checks ok (valve and solinoid) also truck will ...
FIX posted 3/23/2000
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| VIN | 1GCEK14H9M |
| Engine | 5.0 L / 8 cyl / GAS |
| Trans | 4-speed Standard |
| Delivery | FI / tbi |
| Symptoms | Spark Knock |
| Occurs | Always, Cold, Hot |
Message Closed w/FIX
Vehicle Data
1991 Chevrolet K1500 Cheyenne
| VIN | 1GCEK14H9M |
| Engine | 5.0 L / 8 cyl / GAS |
| Trans | 4-speed Standard |
| Delivery | FI / tbi |
| Symptoms | Spark Knock |
| Occurs | Always, Cold, Hot |
Video