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P0088

Overview

Code

P0088

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 P0088 indicates fuel rail or system pressure is too high

Symptoms

Rough running

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

Possible Causes

Faulty pressure regulator

Diagnostic Steps

1 Monitor rail pressure data; 2 Inspect pressure control valve

Drive Safety Notes

Excess pressure may damage injectors

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