What does p0661 dtc in Honda means?

The P0661 trouble code in a Honda vehicle indicates that the Engine Control Module (ECM) has detected a fault in the intake air control valve circuit. This valve is responsible for regulating the amount of air that enters the engine, and a fault in the circuit can cause the engine to run poorly, stall, or even fail to start.

Some possible causes of the P0661 trouble code include:

- Faulty intake air control valve

- Faulty wiring in the intake air control valve circuit

- Faulty ECM

If you are experiencing the P0661 trouble code in your Honda, it is important to have it diagnosed and repaired as soon as possible to prevent further damage to your vehicle.

Here are some additional symptoms that you may experience if you have the P0661 trouble code:

- Engine stalls

- Engine hesitates or surges

- Engine runs poorly

- Engine fails to start

- Check Engine Light is on