Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSMITSUBISHI2005LANCER EVOLUTION L4-2.0L DOHC TURBOREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSAIR TEMPERATURE SENSOR ( AMBIENT / INTAKE )TESTING AND INSPECTION
2005 Mitsubishi Lancer Evolution L4-2.0L DOHC Turbo
Air Temperature Sensor ( Ambient / Intake ): Testing and Inspection
2005 Mitsubishi Lancer Evolution L4-2.0L DOHC TurboSECTION Testing and Inspection
INTAKE AIR TEMPERATURE SENSOR CHECK
1. Disconnect the volume airflow sensor connectors.
2. Measure resistance between terminal No.5 and No.6.
Standard value:
13 - 17 kOhms [at -20 °C (-4 °F)]
5.3 - 6.7 kOhms [at 0 °C (32 °F)]
2.3 - 3.0 kOhms [at 20 °C (68 °F)]
1.0 - 1.5 kOhms [at 40 °C (104 °F)]
0.6 - 0.76 kOhms [at 60 °C (140 °F)]
0.30 - 0.42 kOhms [at 80 °C (176 °F)]
3. If not within specifications replace the volume airflow sensor.
4. Measure resistance while heating the sensor using a hair dryer.
5. If resistance does not decrease as heat increases replace the volume airflow sensor assembly.
1. Disconnect the volume airflow sensor connectors.
2. Measure resistance between terminal No.5 and No.6.
Standard value:
13 - 17 kOhms [at -20 °C (-4 °F)]
5.3 - 6.7 kOhms [at 0 °C (32 °F)]
2.3 - 3.0 kOhms [at 20 °C (68 °F)]
1.0 - 1.5 kOhms [at 40 °C (104 °F)]
0.6 - 0.76 kOhms [at 60 °C (140 °F)]
0.30 - 0.42 kOhms [at 80 °C (176 °F)]
3. If not within specifications replace the volume airflow sensor.
4. Measure resistance while heating the sensor using a hair dryer.
5. If resistance does not decrease as heat increases replace the volume airflow sensor assembly.
RENDER: 1.0x
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.