P0148 - Fuel Supply Malfunction (Solution)

Error code P0148 - A fuel supply error typically occurs when the engine is not receiving enough fuel under heavy load.

Possible symptoms:
- MIL (Malfunction Indicator Lamp) light is illuminated on the instrument cluster.
- Loss of power and stuttering at higher RPMs and under heavy load.
- Jerky movement, starting problems.

Possible causes:
- The fuel system has a leak.
- Fuel filter clogged.
- Fuel pump (pre-pump) and/or high-pressure pump is defective or delivering insufficient pressure.
- Malfunction in fuel pressure regulation (check pressure sensor and pressure control valve).