P129F OBD Code Definition:

Low-Pressure Fuel Pressure too Hig

P310B OBD Code Description:

Possible Symptoms

• MIL On
• Reduced power

Possible Causes

• Faulty Fuel Pressure Sensor (G410)
• Wiring Harness for Fuel Pressure Sensor (G410)

Possible Solutions

• Replace Fuel Pressure Sensor (G410)
• Repair Damaged Wiring

Tech Notes

• When found on Direct Injection engines, may also have OBD P310B Code. Can be caused by a faulty G410 sensor.