Honda Error Code P1122: How to Fix It

Q: Can I drive with Honda P1122 error code?

It's not recommended to drive extensively with P1122 as it can cause poor fuel economy, reduced power, and potential engine damage. Have it diagnosed and repaired as soon as possible.

Q: What causes Honda P1122 throttle position error?

Common causes include carbon buildup on the throttle body, faulty throttle position sensor, loose electrical connections, or a damaged throttle body assembly requiring cleaning or replacement.

Q: How much does it cost to fix Honda P1122?

DIY throttle body cleaning costs $15-30 in supplies. Professional diagnosis runs $100-150, while throttle body replacement can cost $300-600 including labor if the sensor or throttle body is damaged.

Q: Will P1122 cause my Honda to fail emissions?

Yes, P1122 will likely cause your vehicle to fail emissions testing as it indicates a problem with the engine management system that affects air-fuel mixture and combustion efficiency.

Abstract

Honda error code P1122 indicates that your engine's throttle position sensor is reading a higher position than the ECU expects. This can cause poor acceleration, rough idling, and reduced fuel economy.