← View Generic P0204 Guide Severity: High
🚗 Vehicle-Specific Guide

This guide is customized for your 2020 Chevrolet SILVERADO 1500 PICKUP

P0204: Injector Circuit Malfunction Cylinder 4

on 2020 Chevrolet SILVERADO 1500 PICKUP

Fix Cost
$80 - $400
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 P0204 Mean on 2020 Chevrolet SILVERADO 1500 PICKUP?

The fuel injector for cylinder 4 has an electrical malfunction preventing proper fuel delivery.
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Symptoms

  • • Cylinder 4 misfire
  • • rough idle
  • • poor fuel economy
  • • black smoke
  • • hard starting
  • • engine shaking.
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Common Causes

  • • Faulty fuel injector for cylinder 4
  • • wiring problems to injector
  • • injector driver circuit failure in ECM
  • • clogged injector.
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How to Fix P0204 on 2020 Chevrolet SILVERADO 1500 PICKUP

Replace fuel injector for cylinder 4, repair wiring to injector, clean injector, test ECM injector driver.

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Need Maintenance Info for Your SILVERADO 1500 PICKUP?

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Parts for 2020 Chevrolet SILVERADO 1500 PICKUP

Fuel Injector Shop ↗ Injector O-Rings Shop ↗ Wiring Harness Shop ↗

Essential Tool

Must Have

OBD2 Scanner

Read & clear codes on your 2020 Chevrolet SILVERADO 1500 PICKUP

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Related Diagnostic Codes

Other codes that may appear with P0204

P0202 Sequential Code

Injector Circuit Malfunction Cylinder 2

High
P0203 Sequential Code

Injector Circuit Malfunction Cylinder 3

High
P0205 Sequential Code

Injector Circuit Malfunction Cylinder 5

High
P0206 Sequential Code

Injector Circuit Malfunction Cylinder 6

High

💡 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