Possible Causes

Possible causes are:

• Damaged FF sensor.
• Damaged PCM.
• Fuel contamination.
• Fuel separation.
• Open in battery ground to FF sensor circuit.
• Open in FF sensor signal circuit.
• Open or short in FF sensor VPWR circuit.
• Short to ground in FF sensor signal circuit.
• Short to VPWR in FF sensor battery ground circuit.
• Short to VPWR in FF sensor signal circuit.