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.
Fuel Pump: Inspection
- INSPECT FUEL PUMP ASSEMBLY
- Check the resistance of the fuel pump.
- Measure the resistance between terminals 1 and 2.
Standard resistance:
0.2 to 3.0 Ω at 20°C (68°F)
If the result is not as specified, replace the fuel pump.
- Measure the resistance between terminals 1 and 2.
- Check operation of the fuel pump.
- Apply battery voltage to terminals 1 and 2. Check that the pump operates.NOTE:
- These tests must be completed within 10 seconds to prevent the coil from burning out.
- Keep the fuel pump as far away from the battery as possible.
- Always turn the voltage on and off on the battery side, not the fuel pump side.
If the pump does not operate, replace the fuel pump.
- Apply battery voltage to terminals 1 and 2. Check that the pump operates.
- Check the resistance of the fuel pump.
Use the Manual With the Right Hardware
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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.
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