AutoCodes – Audi – P1322 Audi

P1322 Audi Code - Knock Sensor 3 Signal Too High

Quick Answer

P1322 Audi indicates Knock Sensor 3 Signal Too High. Common causes include Faulty Knock Sensor 3, Knock Sensor 3 harness is open or shorted, Knock Sensor 3 circuit poor electrical connection. 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: P1322 Audi indicates Knock Sensor 3 Signal Too High.
Common causes: Common causes include Faulty Knock Sensor 3, Knock Sensor 3 harness is open or shorted, Knock Sensor 3 circuit poor electrical connection.
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 Popularity 1,858

How popular is this code, among other codes? Low

Repair Importance Level

Moderate (Service soon) (2 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on Aug 09, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1322 Audi Description

OBDII Code P1322 Audi - Knock Sensor 3 Signal Too High - AutoCodes.com — P1322 Audi Code - Knock Sensor 3 Signal Too High

What does this mean?

What are the Possible Causes of the DTC P1322 Audi?

Faulty Knock Sensor 3
Knock Sensor 3 harness is open or shorted
Knock Sensor 3 circuit poor electrical connection

How to Fix the DTC P1322 Audi?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1322 Audi code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P1322 Audi code?

Need more information on how to fix the P1322 Audi code? Get Access to Factory Service Manuals

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P1322 Audi Code

1. What does the OBDII code P1322 mean on an Audi?

P1322 indicates that the signal from Knock Sensor 3 is too high, which means the sensor is detecting excessive vibration or knock in the engine.

2. What are the common symptoms of code P1322 in an Audi?

Symptoms include poor engine performance, reduced fuel efficiency, engine knocking noises, and the Check Engine Light being illuminated.

3. What causes the P1322 code to appear?

Common causes include a faulty knock sensor, damaged wiring or connectors, incorrect engine timing, excessive engine vibrations, or a failing engine control module (ECM).

4. Can I drive my Audi with a P1322 code?

Driving with a P1322 code is not recommended, as unresolved engine knocking can lead to severe engine damage over time.

5. How do you diagnose a P1322 code in an Audi?

Diagnosis involves using an OBDII scanner to confirm the code, inspecting the knock sensor and its wiring, checking for engine timing issues, and testing the ECM if necessary.

6. How do you fix the P1322 code in an Audi?

Repairs may include replacing the faulty knock sensor, repairing or replacing damaged wiring, adjusting engine timing, or, in rare cases, replacing the ECM.

7. How much does it cost to fix the P1322 code on an Audi?

The cost can range from $100 to $300 for a knock sensor replacement, depending on the model and labor rates. Additional repairs for wiring or timing adjustments may increase the cost.

8. Can a bad knock sensor damage my Audi's engine?

Yes, if the knock sensor is not functioning properly, it may fail to detect engine knocking, which can cause internal engine damage over time.

9. How can I prevent the P1322 code from recurring?

Regular maintenance, including inspecting and replacing sensors as needed, ensuring proper engine timing, and using the correct fuel grade, can help prevent this code.

10. Is it possible for the P1322 code to be a false alarm?

Yes, a P1322 code can sometimes be triggered by faulty wiring, corrosion, or a software glitch in the ECM, so it's important to thoroughly diagnose the issue before replacing any components.