P2180 - OBD II Trouble Code

Our automotive experts have put together the following information about the P2180 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 P2180 code.

What Does P2180 Code Mean?

OBD-II Code P2180 is defined as a System Too Rich Off Idle

The engine control module (PCM) uses multiple sensors to determine the required amount of fuel needed to keep the engine running efficiently. If the PCM cannot achieve the desired balance between fuel and air, it will set code P2180.

P2180 Symptoms

• Decreased engine performance
• Increased fuel consumption

Common Problems That Trigger the P2180 Code

• Clogged air filter
• Damaged or contaminated spark plug
• Engine sensor failure
• Exhaust leak
• Fuel injector failure
• Powertrain Control Module (PCM) software needs to be updated
• The fuel does not meet the manufacturer's requirements

Common Repairs Needed for the P2180 Code

• Oxygen Sensor Replacement
• Mass Airflow Sensor Replacement