P0090 Code

The engine P0090 Code is a trouble code and it is necessary to check the car engine for solving the car engine problem. It is necessary to know the reason of the car engine problem and those are Open or short in wiring harness, Fuel pressure regulator that has failed, Engine control module that is faulty and Poor electrical connection in the fuel pressure regulator control circuit. There are some symptoms what you need to know. Those symptoms are Poor running vehicle, Failsafe mode set, Check Engine Light illuminated on the dashboard and Fuel economy that is lower than normal.