OBD-II code · Powertrain (generic)
P0087 Fuel Rail/System Pressure Too Low
The ECU detects fuel rail pressure below the desired setpoint despite maximum pump and metering valve commands. Common in direct injection diesel and gasoline systems where high-pressure pump or rail pressure regulator fails.
Is it safe to drive with P0087?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelyHigh-pressure fuel pump worn
- PossiblePressure regulator stuck open
- PossibleFuel filter clogged
- Less likelyInjector leaking back
Repair at a glance
- Difficulty
- Hard
- DIY friendly
- Best left to a mechanic
- Typical labour
- 2–8 h
- Emissions test
- Likely to fail
- After the fix
- A drive cycle is needed before the light stays off
- Parts involved
- High Pressure Fuel Pump, Fuel Pressure Regulator, Fuel Rail, Fuel Filter, Fuel Injector
Related codes
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.