← View Generic P0379 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2020 Chevrolet SILVERADO 1500 PICKUP

P0379: P0379: Ignition System Misfire

on 2020 Chevrolet SILVERADO 1500 PICKUP

Fix Cost
$100 - $500
Parts & Labor
Difficulty
3/5
1-2 hours
DIY Possible?
✅ Yes
Save money
Your Vehicle
2020 Chevrolet
SILVERADO 1500 PICKUP
⚠️

Important for 2020 Chevrolet SILVERADO 1500 PICKUP Owners

Before starting repairs, verify which engine your 2020 Chevrolet SILVERADO 1500 PICKUP has. Check your VIN or engine code to ensure you order the correct parts.

📖 What Does P0379 Mean on 2020 Chevrolet SILVERADO 1500 PICKUP?

A misfire detected in one or more cylinders, affecting combustion efficiency, which can cause decreased engine performance, rough idling, and decreased fuel efficiency.
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Symptoms

  • • Rough idling
  • • decreased engine performance
  • • decreased fuel efficiency
  • • engine misfires
  • • and decreased power
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Common Causes

  • • Faulty spark plug
  • • ignition coil
  • • fuel injector
  • • or cylinder head issue
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How to Fix P0379 on 2020 Chevrolet SILVERADO 1500 PICKUP

1. Check and replace spark plugs, ignition coils, and fuel injectors as needed. 2. Inspect and clean or replace fuel injectors. 3. Check and adjust ignition timing. 4. Check for vacuum leaks and repair as needed.

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Need Maintenance Info for Your SILVERADO 1500 PICKUP?

Get oil capacity, filter specs, and torque settings for your specific 2020 Chevrolet SILVERADO 1500 PICKUP.

View 2020 Chevrolet SILVERADO 1500 PICKUP Specs

Parts for 2020 Chevrolet SILVERADO 1500 PICKUP

spark plugs Shop ↗ ignition coils Shop ↗ fuel injectors Shop ↗

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OBD2 Scanner

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Related Diagnostic Codes

Other codes that may appear with P0379

P0377 Sequential Code

P0377: Ignition System Misfire

Medium
P0378 Sequential Code

P0378: Ignition System Misfire

Medium
P0380 Sequential Code

P0380: Ignition System Misfire

Medium
P0381 Sequential Code

P0381: Ignition System Misfire

Medium

💡 Why These Codes Are Related:

  • • Similar Issues: Same root cause or component failure
  • • Related Problems: Often occur together due to system interactions
  • • Sequential Codes: Progressive failure stages or multiple sensors
  • • Same System: Components within the same automotive system