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P0090

Overview

Code

P0090

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 P0090 indicates a malfunction in the fuel pressure regulator control circuit

Symptoms

Reduced power

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

Electronic fuel pressure control

Possible Causes

Regulator solenoid failure

Diagnostic Steps

1 Inspect regulator wiring; 2 Test solenoid resistance

Drive Safety Notes

Engine may enter limp mode

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