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1999 Chevrolet K1500 Suburban 5.7L Misfire, MIL Lamp on, SPARK KNOCK
The problem I'm fighting is a problem with severe spark knock followed by a flashing MIL (indicating a misfire) accompanied by a subtle but noticable miss, then followed by a solid check engine light. This ONLY happens on the open highway when cruising and pul...
Summary posted 12/23/2003
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Message Closed w/Summary
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Related Documents & Media | VIN | 3GNFK16R2X |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Misfire, MIL Lamp on, Spark Knock |
| Occurs | Hot, Under Load, When Pulling a Long Slow Grade |
Trouble Codes
| P0300 | Multiple Misfire Detected |
| P0304 | Cylinder 4 Misfire Detected |
Message Closed w/Summary
Vehicle Data
1999 Chevrolet K1500 Suburban
| VIN | 3GNFK16R2X |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Misfire, MIL Lamp on, Spark Knock |
| Occurs | Hot, Under Load, When Pulling a Long Slow Grade |
Trouble Codes
| P0300 | Multiple Misfire Detected |
| P0304 | Cylinder 4 Misfire Detected |
Video