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 MANUALSCHEVROLET1990LUMINA APV V6-191 3.1LREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTRELAYS AND MODULES - POWERTRAIN MANAGEMENTRELAYS AND MODULES - FUEL DELIVERY AND AIR INDUCTIONFUEL PUMP RELAYSERVICE AND REPAIR
1990 Chevrolet Lumina APV V6-191 3.1L
Fuel Pump Relay: Service and Repair
1990 Chevrolet Lumina APV V6-191 3.1LSECTION Service and Repair
Fuel Pump Relay:
REMOVAL
1. Verify that ignition switch is in the OFF position.
2. Disconnect the wiring harness plug.
3. Remove the fuel pump relay.
INSTALLATION
1. Install the new fuel pump relay.
2. Reconnect the wiring harness plug to relay.
3. Verify correct operation to confirm repair.
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.