OBD-II code · Powertrain (generic)
P009E Fuel Pressure Relief Control Performance/Stuck Off
Pressure relief solenoid does not relieve pressure when commanded — stuck closed.
Is it safe to drive with P009E?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelySolenoid stuck closed by contamination
- Less likelyCarbon or debris buildup preventing free movement
- Less likelyComponent wear with age - mechanical play
Symptoms
- Check engine light on
- Hard start, no start, or stalling under load
- Power loss especially at high load or rpm
- Possible long cranking time
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Often, with basic tools
- Typical labour
- 0.5–3 h
- Emissions test
- Likely to fail
- After the fix
- A drive cycle is needed before the light stays off
- Parts involved
- Pressure Relief Solenoid
Related codes
- P009BFuel Pressure Relief Control Circuit/Open
- P009CFuel Pressure Relief Control Circuit Low
- P009DFuel Pressure Relief Control Circuit High
- P009FFuel Pressure Relief Control Stuck On
- P00A0Charge Air Cooler Temperature Sensor Circuit Bank 2
- P00A1Charge Air Cooler Temperature Sensor Circuit Range/Performance Bank 2
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.