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 Relay
See RELAYS under RELAYS & SOLENOIDS.
- System Integrity Check
Perform the following checks:
- Visually inspect fuel system (fuel lines, filter, pump, injectors, pressure regulator, etc.).
- Ensure Inertia Fuel Shutoff (IFS) switch reset button is not in upper (tripped) position.
- Ensure battery is fully charged and fuel-related fuses are okay.
- Check fuel tank contents and fuel gauge accuracy. On vehicles with 2 fuel tanks, check both tanks. If any fault is detected, repair as necessary. If system checks are okay, go to next step.
- Check Fuel Pressure Install fuel pressure gauge. Check and record fuel pressure. For fuel pressure specifications, see FUEL PRESSURE SPECIFICATIONS article. If fuel pressure is as specified, testing is complete. If fuel pressure is not as specified, go to step 52) of CIRCUIT TEST H in TESTS W/CODES - 2.0L article.
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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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