Subaru OBD-II 1996 & Newer models DTC P1325 – Knock Sensor Circuit Low Input
DTC P1325 meaning on Subaru OBD-II 1996 & Newer models
The DTC P1325 code on Subaru OBD-II 1996 & Newer models indicates a low input signal from the knock sensor circuit. The knock sensor is responsible for detecting abnormal combustion in the engine, and a low input signal suggests a potential issue with this sensor or its circuit.
Subaru OBD-II 1996 & Newer models DTC P1325 symptoms
- Check Engine Light (CEL) illuminated on the dashboard
- Reduced engine performance
- Engine knocking or pinging noises
- Poor fuel economy
Subaru OBD-II 1996 & Newer models DTC P1325 causes
- Faulty knock sensor
- Wiring issues in the knock sensor circuit
- Corrosion or poor connections in the sensor circuit
- Engine mechanical problems causing false knock sensor readings
Subaru OBD-II 1996 & Newer models DTC P1325 seriousness
The DTC P1325 code should not be ignored as it can lead to engine damage if left unresolved. Ignoring this issue may result in poor engine performance, reduced fuel efficiency, and potential long-term damage to the engine components.
How to diagnose DTC P1325 on Subaru OBD-II 1996 & Newer models
- Use an OBD-II scanner to retrieve the fault code and freeze frame data
- Inspect the knock sensor and its wiring for any visible damage or corrosion
- Check the sensor’s resistance and voltage output using a multimeter
- Perform a visual inspection of the engine for any signs of abnormal combustion
How to fix DTC P1325 on Subaru OBD-II 1996 & Newer models
- Replace the knock sensor if it is found to be faulty
- Repair any damaged wiring or connectors in the knock sensor circuit
- Clean any corrosion from the sensor connections
- Address any underlying engine mechanical issues that may be causing false knock sensor readings
How to erase DTC P1325 on Subaru OBD-II 1996 & Newer models
- Use an OBD-II scanner to clear the fault code from the vehicle’s computer
- Ensure that the underlying issue causing the DTC P1325 has been resolved before clearing the code
- Once the repair is completed, clear the code and verify that it does not return
Recommended tools for Subaru OBD-II 1996 & Newer models diagnostics
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