Fuel Rail/System Pressure - Too Low
2011-2011 Mitsubishi Lancer 2.0L I4
The 2011 Mitsubishi Lancer is equipped with a 2.0L inline-4 engine. Below you'll find detailed p0087 diagnostic code information including labor time estimates, cost ranges, and technician notes specific to this engine configuration.
Description
The fuel rail pressure is lower than the PCM commanded value. Common in direct injection and diesel systems.
Symptoms
- Check Engine Light
- Loss of power
- Engine stalling
- Long crank times
- Rough idle
Common Causes
- Weak fuel pump
- Clogged fuel filter
- Fuel pressure regulator failure
- Fuel line leak
- Faulty high-pressure fuel pump
Diagnostic Steps
- Check fuel pressure with gauge
- Inspect fuel filter
- Test fuel pump volume
- Check for fuel leaks
- Test fuel pressure regulator
Repair Notes
Replace fuel pump, filter, or pressure regulator as needed.
Related Codes
Other Powertrain Codes
- P0001Fuel Volume Regulator Control Circuit/Open
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0003Fuel Volume Regulator Control Circuit Low
- P0004Fuel Volume Regulator Control Circuit High
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
- P0011Intake Camshaft Position Timing Over-Advanced Bank 1
- P0012Intake Camshaft Position Timing Over-Retarded Bank 1
- P0013Exhaust Camshaft Position Actuator Circuit/Open Bank 1
- P0014Exhaust Camshaft Position Timing Over-Advanced Bank 1
- P0015Exhaust Camshaft Position Timing Over-Retarded Bank 1
P0087 on Other Vehicles
Mitsubishi 3000GT
1996-1996 3.0L V6 Twin Turbo
Mitsubishi 3000GT
1997-1997 3.0L V6 Twin Turbo
Mitsubishi 3000GT
1998-1998 3.0L V6 Twin Turbo
Mitsubishi 3000GT
1999-1999 3.0L V6 Twin Turbo
Mitsubishi Colt JP
2002-2002 1.3L I4 4A90
Mitsubishi Colt JP
2002-2002 1.5L I4 4A91
Mitsubishi Colt JP
2003-2003 1.3L I4 4A90
Mitsubishi Colt JP
2003-2003 1.5L I4 4A91
Common Questions
What does code P0087 mean on a 2011-2011 Mitsubishi Lancer?
P0087 stands for "Fuel Rail/System Pressure - Too Low". The fuel rail pressure is lower than the PCM commanded value. Common in direct injection and diesel systems.
What are the symptoms of P0087 on a Mitsubishi Lancer?
Common symptoms of P0087 include: Check Engine Light, Loss of power, Engine stalling, Long crank times, Rough idle.
What causes P0087 on a 2011-2011 Mitsubishi Lancer?
Common causes of P0087 include: Weak fuel pump, Clogged fuel filter, Fuel pressure regulator failure, Fuel line leak, Faulty high-pressure fuel pump.
Last updated: March 2026