P0087 Code – Fuel Rail/System Pressure – Too Low

Meaning:

P0087 happens when the pressure fuel is too low for the ECM's command
When the ECM has determined that the pressure of fuel is too low, the P0087 is triggered

The ECM has determined that the pressure of fuel going to the fuel pump module is below the pressure that was commanded by the ECM.

Main Symptoms:

  • Check Engine Light comes on
  • Vehicle may have a rich fuel condition
  • It may also misfire
  • Vehicle may run poorly

Possible Causes:

  • Clogged fuel filter or fuel screen
  • Defective fuel pressure sensor
  • Defective fuel pump
  • Fault in fuel line that’s causing a restriction

Diagnostic Steps:

  • Use code reader to pull engine codes
  • Visually inspect fuel tank, fuel filter and fuel lines
  • Take manual readings of fuel pressure and compare with specifications
  • Run a fuel pump test

Read More: How to Use an OBD-II Scan Tool to Diagnose Your Car