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2002 GMC Sierra 2500 HD 6.0L Spark Knock
This vehicle has a severe spark knock during start up, problem happens hot or cold, noise is slightly worse when engine is warm. This is the only time that the noise happens, there is no pinging or spark knock when driving or accelerating. Customer thinks that...
FIX posted 6/29/2004
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Message Closed w/Summary
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4 Replies Received
Related Documents & Media | VIN | 1GTHC29UO2 |
| Engine | 6.0 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Spark Knock |
| Occurs | Just on Start Up |
| Misc. | Tow/Haul Transmission Option |
Message Closed w/Summary
Vehicle Data
2002 GMC Sierra 2500 HD
| VIN | 1GTHC29UO2 |
| Engine | 6.0 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Spark Knock |
| Occurs | Just on Start Up |
| Misc. | Tow/Haul Transmission Option |
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