OBD code P0328 indicates a problem with the Knock Sensor Bank 1 circuit.
Symptoms include the Engine Light ON, engine lack of power.
Causes can be a faulty Knock Sensor, poor electrical connection, or issues with the ECM.
This issue is moderately serious.
To fix, inspect wiring harness and connectors for damage, and check connector pins for any signs of damage.
| Repair Importance Level | 6.67 (Out of 10) |
| Estimated Repair Time | Approximately 1.0 hour |
| Repair Difficulty Level | 6.67 (Out of 10) |
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Symptoms of the p0328 OBD Code
The vehicle may experience poor acceleration and increased fuel consumption with fault code P0328.
- With OBD code P0328, the Engine Light will be ON.
- The Service Engine Soon Warning Light may illuminate.
- The engine may experience a lack or loss of power.
Causes of the p0328 OBD Code
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Possible reasons for fault code P0328 include issues with the knock sensor circuit or sensor itself.
- P0328 can be caused by a Faulty Knock Sensor Bank 1.
- A Knock Sensor Bank 1 circuit with poor electrical connection.
- An open or shorted Knock Sensor Bank 1 harness.
- Or a Faulty Engine Control Module (ECM).
Fixing Error Code p0328 Step By Step
Address the knock sensor circuit issue to resolve fault code P0328.
- To fix OBDII code P0328, first, review the possible causes related to the knock sensor circuit.
- Visually inspect the wiring harness and connectors for any damage.
- Check the connector pins for signs of being broken, bent, pushed out, or corroded.
- If no issues are found with the wiring, consider replacing the knock sensor itself.
- Clear the fault codes from the vehicle’s computer using a scan tool.
- Test drive the vehicle to see if the code returns.
- If the code persists, further diagnosis may be needed to pinpoint the exact cause of the P0328 fault.
Cost Of Fixing p0328 Fault Code
The repair for fault code P0328 typically involves diagnosing and replacing the knock sensor circuit.
The cost to diagnose and fix OBD code P0328 typically ranges from $75 to $150, with an estimated repair time of 1. 0 hour.
Costs depend on labor rates, shop fees, and the complexity of the repair.
Details of the p0328 OBD Code
Fault code P0328 indicates an issue with the knock sensor circuit high input on the vehicle.
Code P0328 means that the knock sensor 1 circuit high input has been detected by the ECM.
This code is triggered when the knock sensor 1 sends a signal to the ECM indicating that the engine is knocking or pinging.
The knock sensor is a piezoelectric sensor that detects abnormal combustion in the engine, which can lead to engine damage if not addressed.
The ECM uses this signal to adjust ignition timing to prevent knocking and protect the engine.
Mechanic’s Tech Notes
Code P0328 indicates a knock sensor circuit high input, potentially causing engine performance issues.
To diagnose and fix OBDII code P0328, which indicates a knock sensor circuit high input, start by checking the knock sensor’s wiring harness and connector for any damage or corrosion.
Use a multimeter to test the sensor’s resistance and ensure it falls within specifications.
Verify the knock sensor signal using a scan tool to see if it matches engine conditions.
If the sensor and wiring check out, the issue may lie with the sensor itself, requiring replacement.
Additionally, inspect the engine for any signs of abnormal knocking that could trigger false readings.
FAQ
Common symptoms of OBD code P0328 include Engine Light ON, engine lack of power. Causes may be a faulty Knock Sensor Bank 1 or related wiring issues. Fix: Inspect and repair as needed.
Typical cause of OBD code P0328: Faulty Knock Sensor Bank 1, poor electrical connection in Knock Sensor Bank 1 circuit, or open/shorted Knock Sensor Bank 1 harness.
Diagnose and repair OBD code P0328 by checking for a faulty Knock Sensor Bank 1, poor electrical connections, or damaged wiring harness/connectors.
Wrap Up
If your check engine light is on and your vehicle is experiencing poor fuel economy, stalling, or lack of power, it could be due to OBDII code P0328. This code typically indicates a fault with the knock sensor circuit, which may be caused by a faulty knock sensor, wiring issues, or poor sensor connection.
To address OBDII code P0328, start by inspecting the wiring harness and connectors for any signs of damage or corrosion.
Test the knock sensor and its wiring for proper resistance and continuity.
If necessary, replace the knock sensor and ensure a secure connection to
