DETECTION CONDITION

•  PCM detects the fuel pressure at the common rail for the following while the engine is running, the PCM determines that the fuel system pressure is not controlled properly.

POSSIBLE CAUSE

•  Erratic signal the from fuel pressure sensor to PCM

•  Fuel metering control valve or related circuit malfunction

•  Fuel leakage from the fuel injector

•  Fuel leakage or clogging in fuel system

•  Supply pump malfunction

•  Fuel pressure limiter malfunction

•  Improper operation of fuel injection control

•  PCM malfunction