Engine Error
P0325
Knock Sensor 1 Circuit Malfunction (Bank 1)
Severity
Medium
Symptoms
Engine pinging, reduced power, high fuel consumption
Common Causes
- Faulty knock sensor
- Corroded knock sensor connector
- Wiring short or open
- PCM fault
How to Fix
- 1 Replace knock sensor
- 2 Repair wiring harness
- 3 Check sensor for proper torque
- 4 Test sensor reference voltage
Estimated Repair Cost
USD
$150
–
$600
Knock sensor: $100 - $300; Labor (varies by location): $100 - $300