Engine and gearbox (P)
P0087: Fuel rail pressure too low
The fuel rail pressure is lower than what the engine control unit expects. This can affect engine performance and efficiency.
Checked by a licensed car technician · last reviewed 29 September 2026
Symptoms
- Engine misfires
- Reduced power
- Poor fuel economy
- Check engine light on
Common causes
- Restricted fuel filter
- Weak high-pressure fuel pump
- Leaking injector
- Faulty fuel pressure sensor
How to check it yourself
- Check fuel filter for blockages
- Inspect fuel lines for leaks
- Test fuel pressure sensor
- Examine high-pressure fuel pump
Can I keep driving?
The car can be driven, but performance may be reduced. Address the issue soon to avoid further damage.
General guidance, not a professional inspection. Confirm faults with measurements before buying parts, and use a qualified mechanic for brakes, steering, fuel leaks, airbags, and other safety-critical work. Terms and disclaimer