AutoCodes – Audi – P1325 Audi

P1325 Audi Code - Cylinder 1 Knock Control Limit Attained

Quick Answer

P1325 Audi indicates Cylinder 1 Knock Control Limit Attained. Common causes include Low fuel level or fuel quality, Mass Air Flow (MAF) Sensor failure, Low fuel pressure. 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: P1325 Audi indicates Cylinder 1 Knock Control Limit Attained.
Common causes: Common causes include Low fuel level or fuel quality, Mass Air Flow (MAF) Sensor failure, Low fuel pressure.
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 4,555

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 19, 2022

Description
Possible Causes
How To Fix
Cost to Diagnose
Comments
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Code P1325 Audi Description

OBDII Code P1325 Audi - Cylinder 1 Knock Control Limit Attained - AutoCodes.com — P1325 Audi Code - Cylinder 1 Knock Control Limit Attained

What does this mean?

What are the Possible Causes of the DTC P1325 Audi?

Low fuel level or fuel quality
Mass Air Flow (MAF) Sensor failure
Low fuel pressure
Abnormal engine noise or failed Knock Sensor
Faulty Knock Sensor
Knock Sensor harness is open or shorted
Knock Sensor circuit poor electrical connection

How to Fix the DTC P1325 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 P1325 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.

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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.