What does fault code P0325 mean?
Diagnostic trouble code P0325 is defined as Knock Sensor 1 Circuit Malfunction (Bank 1). This standard OBD2 code is triggered when your car's powertrain or module sensor voltage deviates from calibrated safety tolerances.
Severity & Can I Drive With Code P0325?
Severity Rating: 3/5 (Moderate Severity)
ℹ️ Can I Drive? You can drive short distances safely, but address this fault soon to maintain optimal engine performance and pass emissions testing.
Common Symptoms of P0325
- Engine lacks acceleration power
- Engine pinging on hills
Common Causes Ranked by Likelihood
- Failing knock sensor
- Corroded knock sensor harness
- Rodents chewed wiring under intake
DIY Repair & Troubleshooting Steps
- Inspect knock sensor wire under intake manifold if visible
Professional Shop Repair & Estimated Cost Range
- Replace knock sensor & sub-harness
Estimated Repair Cost Range: $150 - $450
Related Diagnostic Codes & Knowledge Base
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