Air Intake Temperature Sensor - Bosch - 0261230549

It measures the temperature of the air entering the engine. The engine control unit (ECU) uses this information to adjust the air-fuel mixture.

There is no set replacement interval. Replace it if it fails or if it causes issues like poor engine performance or a check engine light.

Yes, installation is generally straightforward if you have basic mechanical skills. However, confirm compatibility and follow installation instructions.

The engine may run poorly, with symptoms like reduced power, poor fuel economy, and increased emissions. A check engine light will likely illuminate.

The sensor's location varies by vehicle. It's usually found in the air intake or near the air filter housing. Refer to your vehicle's service manual.

Yes, a faulty sensor can negatively impact fuel efficiency by causing the engine to run with an improper air-fuel mixture.

You'll typically need a wrench or screwdriver, and possibly an OBD-II scanner to clear any diagnostic trouble codes.

Use an OBD-II scanner to read the diagnostic trouble codes (DTCs). These codes can help pinpoint issues related to the sensor.

Inspect the sensor and its wiring for damage. Replace the sensor if necessary.

Check the sensor connector for a secure connection. Clean any corrosion on the terminals.

Although less common, a faulty sensor could contribute to starting problems. Check other potential causes first.