OBD Guide

P009E

Fuel Pressure Relief Control Performance/Stuck Off

P009E is an OBD-II diagnostic trouble code meaning: Fuel Pressure Relief Control Performance/Stuck Off. Common causes: pressure relief valve jammed, fuel pump malfunction. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Unstable engine operation
  • Power reduction
  • Increased noise from the fuel tank
  • Check Engine Light Flashing

Causes

  • Pressure relief valve jammed
  • Fuel pump malfunction
  • Fuel system contamination
  • Problems with the wiring harness or valve solenoid

How to Fix

  1. Diagnostics of the fuel system for leaks
  2. Checking the operation of the pressure relief valve
  3. Inspect the wiring harness and solenoid
  4. Replacing a faulty valve or pump

Related codes

Error P009E by Vehicle Brand

FAQ

What does the P009E code mean?

P009E is an OBD-II diagnostic trouble code that indicates: Fuel Pressure Relief Control Performance/Stuck Off

What causes a P009E error code?

The most common causes of P009E include: Pressure relief valve jammed; Fuel pump malfunction; Fuel system contamination; Problems with the wiring harness or valve solenoid.

How do I fix a P009E diagnostic trouble code?

To fix P009E: Diagnostics of the fuel system for leaks. Checking the operation of the pressure relief valve. Inspect the wiring harness and solenoid. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P009E?

Limited driving only, diagnose soon

How much does it cost to fix P009E?

The estimated repair cost for P009E is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat