Engine Error
P0179
Flexible Fuel Sensor Circuit High
Severity
Medium
Symptoms
Engine pinging, extreme lean or rich condition, MIL illuminated
Common Causes
- Short to battery voltage in sensor circuit
- Disconnected flex fuel sensor
- Broken ground wire to the sensor
- Failed flex fuel sensor
How to Fix
- 1 Fix short to power in the harness
- 2 Ensure sensor is plugged in securely
- 3 Repair broken ground circuit
- 4 Replace flex fuel sensor
Estimated Repair Cost
USD
$80
–
$400
Sensor replacement: 150 - 400