P020B - OBD II Trouble Code

Our automotive experts have put together the following information about the P020B diagnostic trouble code. We've provided the common symptoms that occur when this code is set along with the frequent repairs that address the issues related to the P020B code.

OBD II Fault Code

• OBD II P020B

OBD-II Code Decreased engine performance is defined as a Cylinder 2 Injection Timing

The engine control module (PCM) has special transistors called "drivers" to turn the Fuel Injectors on and off in the Fuel Injection System. If the PCM cannot control the fuel injector, it will set code P020B.

Decreased engine performance Symptoms

• Decreased engine performance
• Increased fuel consumption

Common Problems That Trigger the P020B Code

• Fuel injector failure
• Powertrain Control Module (PCM) failure
• Wiring issue

Common Repairs Needed for the P020B Code

• Fuel Injector Replacement (Diesel)