P0327
Knock Sensor 1 Circuit Low Input Bank 1
2003-2003 Mazda B2300 2.3L I4
Moderate SeverityPowertrainGeneric (SAE)
The 2003 Mazda B2300 is equipped with a 2.3L inline-4 engine. Below you'll find detailed p0327 diagnostic code information including labor time estimates, cost ranges, and technician notes specific to this engine configuration.
Description
Low voltage from knock sensor 1, Bank 1.
Symptoms
- Check Engine Light
- Reduced power
Common Causes
- Open circuit
- Faulty sensor
- Loose connector
Diagnostic Steps
- Test voltage
- Check wiring
- Verify connector
Repair Notes
Repair or replace sensor.
Related Codes
Other Powertrain Codes
- P0001Fuel Volume Regulator Control Circuit/Open
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0003Fuel Volume Regulator Control Circuit Low
- P0004Fuel Volume Regulator Control Circuit High
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
- P0011Intake Camshaft Position Timing Over-Advanced Bank 1
- P0012Intake Camshaft Position Timing Over-Retarded Bank 1
- P0013Exhaust Camshaft Position Actuator Circuit/Open Bank 1
- P0014Exhaust Camshaft Position Timing Over-Advanced Bank 1
- P0015Exhaust Camshaft Position Timing Over-Retarded Bank 1
P0327 on Other Vehicles
Common Questions
What does code P0327 mean on a 2003-2003 Mazda B2300?
P0327 stands for "Knock Sensor 1 Circuit Low Input Bank 1". Low voltage from knock sensor 1, Bank 1.
What are the symptoms of P0327 on a Mazda B2300?
Common symptoms of P0327 include: Check Engine Light, Reduced power.
What causes P0327 on a 2003-2003 Mazda B2300?
Common causes of P0327 include: Open circuit, Faulty sensor, Loose connector.
Last updated: March 2026