P0290 - OBD II Trouble Code

Our automotive experts have put together the following information about the P0290 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 P0290 code.

OBD II Fault Code

• OBD II P0290

OBD-II Code Decreased engine performance is defined as a Cylinder 10 Contribution/Balance

When the engine control module (PCM) detects that one or more cylinders are not sufficiently contributing to keeping the engine running properly, it will set code P0290.

Decreased engine performance Symptoms

• Decreased engine performance
• Increased fuel consumption

Common Problems That Trigger the P0290 Code

• Fuel injector failure
• Internal engine failure
• Powertrain Control Module (PCM) software needs to be updated
• Wiring issue

Common Repairs Needed for the P0290 Code

• Fuel Injector Replacement
• Spark Plug Replacement