Engine Error
P0188
Fuel Temperature Sensor B Circuit High
Severity
Low
Symptoms
Check engine light, lean engine operation
Common Causes
- Short to voltage in sensor B circuit
- Open circuit or unplugged sensor
- Defective fuel temp sensor B
- Bad sensor ground
How to Fix
- 1 Fix short to battery voltage
- 2 Repair broken wiring or plug in sensor
- 3 Replace fuel temp sensor B
- 4 Clean ground connection
Estimated Repair Cost
USD
$50
–
$300
Wiring repair: 100; Sensor replacement: 100 - 300