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Engine-Codes – Generic – P1320

P1320 Code - Ignition Signal

Quick Answer

The diagnostic trouble code P1320 is related to the ignition signal in a vehicle. Common causes include Faulty ignition coils, Worn-out spark plugs, Malfunctioning ignition control module. 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
P1320 indicates Ignition Signal.
Common causes
Common causes include Faulty ignition coils, Worn-out spark plugs, Malfunctioning ignition control module.
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 07, 2024
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Code P1320 Description

The diagnostic trouble code P1320 is related to the ignition signal in a vehicle. This code indicates that there is an issue with the ignition system, specifically the ignition signal that is being sent to the engine's computer. The ignition signal is crucial for proper engine operation as it controls the spark timing, which in turn ignites the air-fuel mixture in the combustion chambers. When this signal is disrupted or not functioning correctly, it can lead to a variety of performance issues in the vehicle.

OBDII Code P1320 - Ignition Signal
P1320 Code - Ignition Signal

Common Causes of P1320

  1. Faulty ignition coils
  2. Worn-out spark plugs
  3. Malfunctioning ignition control module
  4. Wiring issues
  5. Poor electrical connections

Symptoms of P1320

  1. Engine misfires
  2. Rough idling
  3. Difficulty starting
  4. Stalling while driving
  5. Increased fuel consumption

How to Fix P1320

  1. Diagnose the specific cause of the ignition signal issue using a diagnostic scanner.
  2. Inspect and test the ignition coils, spark plugs, and ignition control module for proper function.
  3. Check the wiring and electrical connections for any damage or corrosion.
  4. Replace any faulty components, such as ignition coils, spark plugs, or ignition control module.
  5. Clear the diagnostic trouble code and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P1320

The typical repair costs for resolving the P1320 code can vary depending on the specific cause of the issue and the make and model of the vehicle. Generally, the cost of parts such as ignition coils, spark plugs, or ignition control modules can range from $100 to $500. Labor costs at auto repair shops typically range from $80 to $150 per hour. It's advisable to check with local auto repair shops for a more accurate estimate based on your specific circumstances.

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Tech Notes for P1320





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Code P1320 Information for Specific Makes

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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