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 MANUALSCHEVROLET1995SPORTVAN G20, 6.5 PREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 28 (ENGINE CONTROLS - SYSTEM/COMPONENT TESTS - 6.5L DIESEL)FUEL SYSTEMHARD STARTFUEL SYSTEM CHECKS
1995 Chevrolet Sportvan G20, 6.5 P
Fuel System Checks
1995 Chevrolet Sportvan G20, 6.5 PSECTION Fuel System Checks
WARNING: This page does not describe the selected car, but rather 20 other vehicles, including the 1994 GMC Yukon, 1994 GMC Vandura Special, 1994 GMC Vandura, 1994 GMC Suburban, and 1994 GMC Rally Camper Special. However, it is still accessible from the selected car via links, so may be relevant.
- Check the Supply to injection pump. Refer to BASIC TESTING - 6.5L DIESEL
- Check for air in fuel system. article
- Check the fuel return from injection pump. Refer to BASIC TESTING - 6.5L DIESEL article
- Check engine shut-off solenoid operation.
- Check the fuel injection nozzles. See INJECTORS
- Check the fuel tank cap vent.
- Check for an internal injection pump problem.
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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.