Mazda Error Code P1112: How to Fix It

Q: Can I drive with Mazda error code P1112?

Yes, you can typically drive with P1112 as it's considered a low severity code. However, you may experience reduced fuel economy, rough idling, or poor performance. It's best to address the issue promptly to prevent potential engine damage.

Q: What causes Mazda P1112 error code?

P1112 is usually caused by a faulty IAT sensor, corroded electrical connections, damaged wiring, or poor electrical contact. Environmental factors like moisture and temperature extremes can also cause intermittent sensor failures.

Q: How much does it cost to fix P1112 on a Mazda?

DIY repair typically costs $20-60 for a new IAT sensor plus cleaning supplies. Professional repair ranges from $100-200 including parts and labor, depending on whether it's just the sensor or if wiring repairs are needed.

Q: Will P1112 cause my Mazda to fail emissions testing?

Potentially yes. While P1112 is a low severity code, any stored trouble codes can cause an emissions test failure. The code should be repaired and cleared before emissions testing.

Q: How do I prevent P1112 from happening again?

Regular air filter replacement helps prevent debris from damaging the sensor. Avoid using aftermarket air intake modifications that may expose the sensor to excessive dirt or moisture. Keep engine bay clean and check connections during routine maintenance.

Abstract

Mazda error code P1112 indicates an intermittent problem with your Intake Air Temperature (IAT) sensor. This sensor measures the temperature of air entering the engine to help optimize fuel mixture and ignition timing. When it malfunctions intermittently, you may experience rough idling, poor fuel economy, or reduced engine performance.