What is P2187 Engine Code [Quick Guide]

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nonda Auto DIY Center is the biggest auto DIY video center in the World. We have videos to explain auto engine codes and their repairing methods as well as auto-saving videos to help you save money along the way. This video is to show you the cause of the P2187 engine code and its risk level.

Engine Code P2187: System Too Lean at Idle Bank 1
It means that the ECM has detected too much air or not enough fuel at idle in Bank 1. Check or replace leaks in hoses. Check and repair leaks in the exhaust system. Check or replace the fuel filter, fuel pump, or fuel pressure regulator. Replace the gas cap. Replace the oxygen, MAP, and/or MAF sensors.

Risk Level:
Repair ASAP

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