P1020 OBD Code Definition:
P1020 MIVEC Performance Problem Bank 1
P1020 OBD Code Description:

Possible Symptoms

• Malfunction Indicator Light (MIL) ON
• Limp Mode
• Reduced Power Output
• Engine jerking

Possible Causes

• Fuel Pressure Regulation faulty
• Fuel Pressure Sensor faulty
• Fuel Pressure Control Valve faulty
• Fuel Supply Pre-Mesh clogged

Possible Solutions

• Check Fuel Pressure Regulation: Low Pressure
• Check Fuel Pressure Sensor
• Check Fuel Pressure Control Valve
• Check/Clean Fuel Supply Pre-Mesh