P009D

Fuel Pressure Relief Control Circuit High

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Unstable engine operation
Power Loss
Increased fuel consumption
Check Engine Light Is On

Causes

Fuel pressure relief valve malfunction
Open or shorted wiring harness
Problems with the engine control unit (ECU)
Contact corrosion

How to Fix

Check fuel pressure relief valve
Check the wiring harness for opens and shorts
Check contacts for corrosion
Test ECU operation

Related codes

P0087 P0088 P0190 P0191