TorqueMech OBD Code Guide
P0326 - Knock Sensor 1 Circuit Range/Performance (Bank 1)
Knock sensor 1 signal is outside expected range on bank 1.
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Estimate after confirmation
Code Overview
Knock sensor 1 signal is outside expected range on bank 1.
Common Causes
- Knock sensor fault
- Loose sensor mounting
- Wiring issue
- Actual engine knock or mechanical noise
Diagnostic Steps
- Inspect sensor connector and harness routing
- Verify the sensor is properly torqued if accessible
- Rule out obvious spark knock or mechanical noise
Related OBD Codes
Browse nearby codes when systems overlap.
Next Steps
Move from code to checks, then estimate.