Volvo Land Rover Error Code P1379: How to Fix It

Medium 1-2 hours Medium Severity Verified June 2026
Error Code
P1379
Brand
Volvo Land Rover
Product Type
automotive
Severity
Medium
DIY Difficulty
Medium
Estimated Fix Time
1-2 hours
Error code P1379 in Volvo and Land Rover vehicles indicates that the engine control module (ECM) has detected a misfire condition while the engine load is too low. This usually points to a problem with spark plugs, ignition coils, fuel injectors, or a vacuum leak. If left unchecked, it can lead to reduced performance, poor fuel economy, and potential catalytic converter damage.
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Tools You'll Need

How to Fix Error Code P1379

  1. Check for Other Diagnostic Trouble Codes

  2. Inspect Spark Plugs and Ignition Coils

    Disconnect the battery negative terminal before working on ignition components to avoid shock.
  3. Test Fuel Injectors

    Fuel system is under pressure. Relieve fuel pressure before disconnecting lines.
  4. Check for Vacuum Leaks

  5. Verify Engine Load Sensor Readings

Parts You May Need

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When to Call a Professional

If you've replaced spark plugs, coils, and injectors but the code returns, or if you're not comfortable working on fuel or electrical systems, take the vehicle to a certified mechanic. The issue may be internal, such as a worn camshaft or ECM failure.

Frequently Asked Questions

Can I drive my car with error code P1379?
It's not recommended. Driving with a misfire can damage the catalytic converter and reduce fuel economy. Have it diagnosed as soon as possible.
Is P1379 specific to Volvo and Land Rover?
Yes, P1379 is a manufacturer-specific code used by Volvo and Land Rover, though similar misfire codes exist for other brands.
What causes low engine load misfire in Volvo/Land Rover?
Common causes include faulty spark plugs, ignition coils, fuel injectors, vacuum leaks, or issues with the MAF/MAP sensors.
How much does it cost to fix P1379?
Cost varies: spark plugs $50-100, ignition coils $100-300 per coil, injectors $100-200 each. Labor at a shop adds $100-200 per hour.
Can a bad oxygen sensor cause P1379?
While possible, it's less common. A faulty oxygen sensor can cause air-fuel mixture issues but typically triggers a different code. Check for other codes first.