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1998 GMC K2500 Sierra SL 5.7L Spark Knock
customer has had truck at another shop--everything they tested-tested good--so they started guessing. we got into this by saying we would look at it. fuel pressure is good, o2's switching normally-knock sensor retards timing, but when under a load( truck has a...
FIX posted 11/3/2004
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Message Closed w/FIX
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18 Replies Received
18 Replies Received
Related Documents & Media | VIN | 1GTGK24RXW |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / SEFI |
| Emissions | OBD-II Compliant |
| Symptoms | Spark Knock |
| Occurs | Hot, Under Load |
Message Closed w/FIX
Vehicle Data
1998 GMC K2500 Sierra SL
| VIN | 1GTGK24RXW |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / SEFI |
| Emissions | OBD-II Compliant |
| Symptoms | Spark Knock |
| Occurs | Hot, Under Load |
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