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P1386 Chrysler Code - Knock Sensor System Failure

Quick Answer

The P1386 Chrysler code indicates a problem with the knock sensor system in the vehicle. Common causes include Faulty knock sensor, Wiring harness issues, Engine misfire. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
P1386 Chrysler indicates Knock Sensor System Failure .
Common causes
Common causes include Faulty knock sensor, Wiring harness issues, Engine misfire.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
What is this?
Table of contents Created and updated by William Orellana on Sep 10, 2024
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Code P1386 Chrysler Description

The P1386 Chrysler code indicates a problem with the knock sensor system in the vehicle. The knock sensor is a crucial component that detects abnormal combustion in the engine, commonly known as engine knocking or pinging. When the knock sensor system fails, it can lead to a range of issues that affect the vehicle's performance and fuel efficiency.

OBDII Code P1386 Chrysler - Knock Sensor System Failure
P1386 Chrysler Code - Knock Sensor System Failure

Common Causes of P1386 Chrysler

  1. Faulty knock sensor
  2. Wiring harness issues
  3. Engine misfire
  4. Carbon buildup in the combustion chamber
  5. Engine overheating

Symptoms of P1386 Chrysler

  1. Engine knocking or pinging noises
  2. Decreased engine performance
  3. Reduced fuel efficiency
  4. Check Engine Light illuminated
  5. Engine misfires

How to Fix P1386 Chrysler

  1. Diagnose the knock sensor system using an OBD-II scanner to confirm the P1386 code.
  2. Inspect the wiring harness for any damage or loose connections.
  3. Test the knock sensor using a multimeter to check for proper resistance.
  4. Replace the knock sensor if it is faulty or damaged.
  5. Clear the trouble codes and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P1386 Chrysler

The cost of repairing a knock sensor system failure can vary depending on the vehicle make and model, as well as the labor rates in your area. On average, the parts for a knock sensor replacement can range from $50 to $200, while the labor cost can be between $100 to $300. This puts the total repair cost between $150 and $500. Keep in mind that additional diagnostic time or other potential issues discovered during the repair process can increase the final cost. Always consult with a qualified mechanic or auto repair shop for an accurate estimate tailored to your specific vehicle.

When is the Code Detected?

The anti knock control test has failed ten consecutive times in a row

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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.

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