P0088

Fuel Rail/System Pressure Too High

Powertrain Code · High

What does P0088 mean?

The fuel rail pressure is higher than expected. May indicate a faulty fuel pressure regulator or restricted fuel return line.

System: Fuel System

P0088 is a powertrain diagnostic trouble code indicating fuel rail/system pressure too high. This code is classified as high severity, which means: address soon — may cause further damage.

Diagnostic data on this page is compiled from publicly available repair resources and technical service bulletins. Always have a qualified mechanic confirm the diagnosis before authorizing repairs on your vehicle.