Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET1988CORSICA 2.0 1, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCETESTING & DIAGNOSISFUEL PUMPFUEL PUMP PRESSURES
1988 Chevrolet Corsica 2.0 1, Standard
Fuel Pump Pressures
1988 Chevrolet Corsica 2.0 1, StandardSECTION Fuel Pump Pressures
FUEL PUMP SPECIFICATIONS (KEY ON/ENGINE OFF)
| Application | psi (kg/cm2 ) | ||||||
|---|---|---|---|---|---|---|---|
| Electric Fuel Pump | |||||||
| DFI | (2) 9-12 (.6-.8) | ||||||
| EFI (1) | 38-44 (2.6-2.0) | ||||||
| PFI | |||||||
| 2.0L | 35-38 (2.5-2.7) | ||||||
| 3.0L | 40-47 (2.8-3.3) | ||||||
| 3.8L | 34-40 (2.4-2.8) | ||||||
| 3.8L "3800" | 40-47 (2.8-3.3) | ||||||
| All Others | 40-47 (2.8-3.3) | ||||||
| TBI | 9-13 (.6-1.1) | ||||||
| Mechanical Fuel Pump | |||||||
| 1.6L (1) | (2) | ||||||
| 5.0L & 5.7L | 5.5-6.5 (.3-.45) | ||||||
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RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.