Engine Error
P0187
Fuel Temperature Sensor B Circuit Low
Severity
Low
Symptoms
Check engine light, overly rich fuel mixture
Common Causes
- Short to ground in sensor B circuit
- Failed fuel temp sensor B
- Pinched wiring near the secondary fuel tank
- Internal PCM issue
How to Fix
- 1 Trace and repair short to ground
- 2 Replace fuel temperature sensor B
- 3 Reroute wiring away from pinch points
- 4 Test PCM
Estimated Repair Cost
USD
$100
–
$350
Sensor replacement: 100 - 350