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P0629

Overview

Code

P0629

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 P0629 indicates an issue with the fuel injector control circuit

Symptoms

Poor engine performance; Rough idling

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 control

Possible Causes

Faulty injector control circuit; Wiring issue

Diagnostic Steps

1 Inspect injector control wiring 2 Test injector performance

Drive Safety Notes

Fuel delivery could be interrupted

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