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P0089

Overview

Code

P0089

Code Type

P

Code Class

P0

System

Engine

Severity Level

Medium

Emissions Related

true

Drivability Impact

Major

Diagnostic Protocol

OBD2

Freeze Frame Useful

true

Code Definition

Diagnostic trouble code P0089 indicates fuel pressure regulator performance issues

Symptoms

Hesitation

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 pressure regulation system

Possible Causes

Regulator sticking

Diagnostic Steps

1 Command regulator operation; 2 Compare commanded vs actual pressure

Drive Safety Notes

Fuel delivery inconsistent

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