Engine Error
P0375
Timing Reference High Resolution Signal B Malfunction
Severity
High
Symptoms
Poor engine performance, rough idle, hard start
Common Causes
- Defective sensor B in injection pump or distributor
- Damaged sensor wiring
- Corrosion in connector
- Bad PCM
How to Fix
- 1 Replace sensor B
- 2 Repair wiring harness
- 3 Clean electrical connector
- 4 Test PCM
Estimated Repair Cost
USD
$100
–
$450
Sensor replacement: 150 - 400