Possible Causes
- Electrical Cause
- Mechanical Cause
- Control Module Cavity
- Circuit reference - I_T_FFS -
- Prioritized List of Possible Causes
- Connector is disconnected, connector pin is backed out, connector pin corrosion
- Flex fuel sensor circuit, short circuit to ground, short circuit to power, open circuit, high resistance
- Fuel contamination (water in fuel)
- Electromagnetic interference caused by secondary ignition components (For example spark plugs, ignition coils) or aftermarket audio equipment
- Loose fuel filler cap