Engine Error
P0176
Flexible Fuel Sensor Circuit Malfunction
Severity
Medium
Symptoms
Check engine light, poor performance when switching fuel types (E85 to gas)
Common Causes
- Defective flex fuel sensor
- Corroded sensor connector
- Open or shorted wiring harness
- Contaminated fuel
How to Fix
- 1 Replace the flex fuel sensor
- 2 Clean electrical connector
- 3 Repair wiring harness
- 4 Add fuel treatment or drain tank
Estimated Repair Cost
USD
$100
–
$400
Flex fuel sensor replacement: 150 - 400