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 MANUALSACURA20043.5RLREPAIR AND DIAGNOSISELECTRICALGAUGESINSTRUMENT PANELSYSTEM TESTSLOW FUEL INDICATOR
2004 Acura 3.5RL
Low Fuel Indicator
2004 Acura 3.5RLSECTION Low Fuel Indicator
- Check METER fuse (7.5-amp) located in underdash fuse/relay box, behind left kick panel. Check METER fuse (15-amp) located in underhood fuse/relay box. Check gauge relay located at underhood relay box "C", at left front of engine compartment. See GAUGE RELAY under COMPONENT TESTS. Park vehicle on level surface.
- Drain fuel from fuel tank into an approved container. Using a new washer, install fuel tank drain plug. Add less than 2.2 gallons (8.2 liters) of fuel to fuel tank. Turn ignition switch to ON position. If low fuel indicator does not illuminate within 4 minutes, go to next step. If low fuel indicator illuminates within 4 minutes, add about 1.1 gallons (4 liters) more fuel to fuel tank. If low fuel indicator goes out within 4 minutes, system is operating properly. If indicator does not go out, go to next step.
- Remove rear seat and fuel tank access panel. Turn ignition switch to OFF position. Disconnect fuel gauge sending unit 3-pin connector. Connect a fused jumper wire between fuel gauge sending unit harness connector terminal No. 1 (Black wire) and terminal No. 3 (Blue/Red wire). If low fuel indicator illuminates, check fuel gauge sending unit. See FUEL GAUGE SENDING UNIT under COMPONENT TESTS. If low fuel indicator does not illuminate, check for open in Blue/Red wire between instrument cluster 22-pin connector "A" and fuel gauge sending unit. Also check for a blown bulb or bad connection at G652 ground connector located at left front corner of trunk. See WIRING DIAGRAMS . Repair as necessary.
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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.