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1997 Chevrolet C1500 4.3L Poor Idle Quality, Misfire, MIL Lamp on
HELLO WELL, GOT A HARD ONE HERE. DID A LEAK DOWN ON FUEL PRESSURE. WITH THE KEY ON. PSI DROPS FROM 55 DOWN. WITH BOTH RETURN AND PRESSURE, PINCHED OFF. MISSFIRE IS ON CYL. 1. ANY IDEAS? INTERNAL LEAK MAYBE?
FIX posted 7/28/1999
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| VIN | 1GCEC14W9V |
| Engine | 4.3 L / 6 cyl / GAS |
| Trans | 5-speed Standard |
| Delivery | FI / CFI VOR-TEC |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Misfire, MIL Lamp On |
| Occurs | Always |
Trouble Codes
| 300 | random missfire |
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Vehicle Data
1997 Chevrolet C1500
| VIN | 1GCEC14W9V |
| Engine | 4.3 L / 6 cyl / GAS |
| Trans | 5-speed Standard |
| Delivery | FI / CFI VOR-TEC |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Misfire, MIL Lamp On |
| Occurs | Always |
Trouble Codes
| 300 | random missfire |
Video