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1992 GMC C1500 Sierra SLE 5.7L Hard to Start
Fuel pressure drops suddenly with engine off key on or off. works ok while running, tried new fuel pressure regulator assembly, still the same, tried other tbi, still the same, the only way to maintain pressure is with return line pinched, as soon as you unpin...
FIX posted 9/25/1998
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| VIN | 1GTDC14K8N |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / TBI |
| Emissions | US FED |
| Symptoms | Hard to Start |
| Occurs | Only When Cranking |
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Vehicle Data
1992 GMC C1500 Sierra SLE
| VIN | 1GTDC14K8N |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / TBI |
| Emissions | US FED |
| Symptoms | Hard to Start |
| Occurs | Only When Cranking |
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