P00B9 – Low Pressure Fuel System Pressure – Too Low – Low Ambient Temperature

P00B9 Possible Symptoms

Engine Light ON (or Service Engine Soon Warning Light)

P00B9 Possible Causes

Restricted fuel filter,Restricted fuel supply line,Damaged or worn fuel pump,Fuel sloshing at low fuel level,Sudden acceleration,Vehicle driven on hilly or steep inclines

P00B9 Description

The P00B9 Code sets when the fuel delivery volume is less than the requested fuel delivery volume and the Powertrain Control Module (PCM) has reduced engine power as a result.