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 Indicator Module
The fuel indicator module provides a delay to the fuel gauge to prevent the fuel gauge pointer from fluctuating as a result of excessive movement of fuel in the fuel tank. See Fig 1 . The fuel indicator module turns on the low fuel indicator when the fuel gauge shows approximately one-eighth tank of fuel remaining. The fuel indicator module does not prove out the low fuel indicator; however, the indicator may flash on momentarily just after the ignition switch is turned to the ON position. The fuel indicator module is a small printed circuit board which latches into a pocket on the back of the instrument cluster. The electrical connections for the ignition, ground, input from the fuel level sensor, output to the fuel gauge, and low fuel warning output (where equipped) are made through a spring-type connector on the fuel indicator module to the flex circuit on the instrument cluster. There are no provisions for calibration or adjustment of the fuel indicator module.
Before troubleshooting low fuel warning symptoms, first observe the fuel gauge indication. If the fuel indication is erroneous, proceed to the fuel gauge diagnosis, then to low fuel warning diagnosis. If the fuel indication is correct, proceed directly to the low fuel warning diagnosis.
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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.