P1320 Audi Code - Knock Sensor 2 Circuit Short To Ground
Quick Answer
When the diagnostic trouble code P1320 is triggered in an Audi vehicle, it indicates that there is a problem with the Knock Sensor 2 Circuit being shorted to ground. Common causes include Wiring or connector issues causing a short to ground in the knock sensor circuit, Faulty knock sensor 2, Corrosion or damage to the sensor or its wiring. Severity is Moderate - service should be scheduled soon. The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.
- What it means
- P1320 Audi indicates Knock Sensor 2 Circuit Short To Ground.
- Common causes
- Common causes include Wiring or connector issues causing a short to ground in the knock sensor circuit, Faulty knock sensor 2, Corrosion or damage to the sensor or its wiring.
- Severity
- Moderate - service should be scheduled soon.
- Can I drive?
- The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.
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Code P1320 Audi Description
Common Causes of P1320 Audi
- Wiring or connector issues causing a short to ground in the knock sensor circuit.
- Faulty knock sensor 2.
- Corrosion or damage to the sensor or its wiring.
- Issues with the engine control module (ECM) affecting the knock sensor circuit.
- Environmental factors such as moisture or debris causing a short to ground.
Symptoms of P1320 Audi
- Engine knocking or pinging sounds during acceleration.
- Decreased engine performance and power.
- Reduced fuel efficiency.
- Illumination of the check engine light on the dashboard.
- Rough idling or misfiring of the engine.
How to Fix P1320 Audi
- Begin by diagnosing the exact cause of the short to ground in the knock sensor circuit using a diagnostic scanner.
- Inspect the wiring harness and connector for any signs of damage, corrosion, or wear. Repair or replace as needed.
- Test the knock sensor 2 for proper functionality. Replace if faulty.
- Clear the fault code from the ECM using the diagnostic scanner.
- Test drive the vehicle to ensure that the issue has been resolved and that the check engine light does not reappear.
Cost to Fix P1320 Audi
The cost of repairing a knock sensor 2 circuit short to ground in an Audi can vary depending on the specific cause of the issue and the labor rates at the auto repair shop. In general, the cost of replacing a knock sensor can range from $150 to $300, including parts and labor. However, if additional wiring repairs or ECM diagnosis are needed, the total cost could be higher. It's important to consult with a qualified mechanic or auto repair shop to get an accurate estimate based on the specific circumstances of your vehicle. Keep in mind that labor rates can vary between different locations and types of repair facilities.
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Frequently Asked Questions about P1320 Audi Code
1. What does the OBDII code P1320 mean on an Audi?
P1320 indicates a "Knock Sensor 2 Circuit Short to Ground," meaning there is an electrical issue with the second knock sensor's wiring or connection.
2. What are the symptoms of code P1320 on an Audi?
Symptoms may include poor engine performance, reduced fuel efficiency, hesitation during acceleration, and possibly engine knocking.
3. What causes code P1320 on an Audi?
Common causes include damaged or faulty knock sensor wiring, a short to ground in the circuit, or a defective knock sensor.
4. Can driving with code P1320 damage my Audi?
Yes, prolonged driving can lead to engine damage if knocking occurs and isn't detected due to the faulty sensor.
5. How do you diagnose code P1320 on an Audi?
Diagnosis involves checking the knock sensor wiring and connections for damage, testing the sensor itself, and inspecting the circuit for shorts to ground.
6. How do you fix code P1320 on an Audi?
Repairs may involve replacing the knock sensor, repairing or replacing damaged wiring, or addressing any grounding issues in the circuit.
7. Is replacing the knock sensor the only solution for code P1320?
No, sometimes the issue is with the wiring or connectors, and repairing these may resolve the code without replacing the sensor.
8. Can a faulty knock sensor cause poor fuel economy?
Yes, a faulty knock sensor can lead to improper ignition timing, which may reduce fuel efficiency.
9. How much does it cost to fix code P1320 on an Audi?
Repair costs vary but typically range from $150 to $500, depending on whether the sensor, wiring, or both need replacement.
10. Can I clear code P1320 without fixing the issue?
Clearing the code without addressing the underlying problem will likely cause the code to return and may lead to further engine issues.
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