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1989 Chevrolet Blazer Silverado 5.7L Poor Fuel Economy, KNOCKING
truck knocks as going up hill, has a new egr valve, Ign Timing dose not change with timing wire ( black/gray) connected or disconnected.
FIX posted 10/25/2005
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Message Closed w/FIX
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10 Replies Received
10 Replies Received
Related Documents & Media | VIN | 1GNEV18K8K |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI |
| Symptoms | Poor Fuel Economy, Knocking |
| Occurs | Under Load |
Message Closed w/FIX
Vehicle Data
1989 Chevrolet Blazer Silverado
| VIN | 1GNEV18K8K |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI |
| Symptoms | Poor Fuel Economy, Knocking |
| Occurs | Under Load |
Video