🚗 Vehicle-Specific Guide

This guide is customized for your 2014 Nissan SENTRA

P0204: Injector Circuit Malfunction Cylinder 4

on 2014 Nissan SENTRA

Fix Cost
$80 - $400
Parts & Labor
Difficulty
3/5
1-2 hours
DIY Possible?
✅ Yes
Save money
Your Vehicle
2014 Nissan
SENTRA
⚠️

Important for 2014 Nissan SENTRA Owners

Before starting repairs, verify which engine your 2014 Nissan SENTRA has. Check your VIN or engine code to ensure you order the correct parts.

📖 What Does P0204 Mean on 2014 Nissan SENTRA?

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

Symptoms

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

Common Causes

  • Faulty fuel injector for cylinder 4
  • wiring problems to injector
  • injector driver circuit failure in ECM
  • clogged injector.
🛠️

How to Fix P0204 on 2014 Nissan SENTRA

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

🔧

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Related Diagnostic Codes

Other codes that may appear with P0204

💡 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