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P0636

Overview

Code

P0636

Code Type

P

Code Class

P0

System

Engine

Severity Level

High

Emissions Related

true

Drivability Impact

Major

Diagnostic Protocol

OBD2

Freeze Frame Useful

true

Code Definition

Diagnostic trouble code P0636 indicates an issue with the fuel injector circuit

Symptoms

Engine misfire; Poor acceleration

Overview applies to this diagnostic code.

Affected Systems

On This Page

  • Code Definition

  • Symptoms

  • Affected Systems

  • Possible Causes

  • Diagnostic Steps

  • Drive Safety Notes​

More Resources

Fuel injector circuit

Possible Causes

Faulty injector circuit; Wiring issue

Diagnostic Steps

1 Inspect fuel injector circuit 2 Test injector functionality

Drive Safety Notes

Misfiring and poor fuel delivery could impair vehicle performance

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