How to test and replace the Intake Manifold Temperature Sensor on an Acura Integra?

When the ignition is on, unplug the Intake Manifold Temperature Sensor connected to the intake manifold. Place the sensor's terminals at the opposite ends of the ohmmeter probe and check resistance with the engine cold. Attach the power cable back to the sensor, crank your engine, and run it at typical working temperature. When you turn your ignition key to the ON position but don't start the engine, check the sensor's electrical connector (red/yellow wire). Its supply voltage should be around 5.0 volts. If you find no power coming from the red/yellow wire at the PCM, go back along the wire to see if there's a damaged section or loose connection. If everything electrical checks out, install another IAT sensor to resolve the test problem. If your IAT sensor tests properly but the problem continues, take your car to a certified repair shop or dealer service center to check the computer. You'll need to do three basic steps to change the sensor: disconnect the cable connected to the IAT sensor, unscrew the component that holds it to the intake, and pull out the IAT sensor. Installation is the reverse of removal.

Genuine Acura Integra Intake Manifold Temperature Sensor

Air Intake Temperature Sensor

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Acura Integra Sensor Assembly Air Temperature
Part Number: 37880-P05-A00
$28.26 MSRP: $39.42
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Product Specifications
- Other Name: Sensor Assembly, Air Temperature ; Air Intake Temp Sensor; Air Intake Temperature Sensor
- Replaces: 37880-PK2-005, 37880-PK2-015
- Warranty: This genuine part is guaranteed by Acura's factory warranty.
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Acura Integra Air Temperature Sensor
Part Number: 37880-RWC-A01
$79.11 MSRP: $110.98
You Save: $31.87 (29%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Sensor Assembly, Air Temperature ; Air Intake Temp Sensor
- Warranty: This genuine part is guaranteed by Acura's factory warranty.
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Acura Integra Air Temperature Sensor Assembly
Part Number: 37880-PE2-013
$84.30 MSRP: $118.27
You Save: $33.97 (29%)
Product Specifications
- Other Name: Sensor Assembly, Air Temperature ; Air Intake Temp Sensor; Air Intake Temperature Sensor
- Warranty: This genuine part is guaranteed by Acura's factory warranty.

Acura Integra Intake Manifold Temperature Sensor

The Acura Integra Intake Manifold Temperature Sensor measures the heat in incoming air so that the PCM can mix fuel correctly. By transmitting fast-changing temperature information, the Intake Manifold Temperature Sensor provides a backup signal for the Mass Air Flow signal, allowing the computer to determine injector pulse width with every throttle change. When the Intake Manifold Temperature Sensor and MAF data match, cylinders get an air-fuel ratio that keeps launches smooth and cruising steady. If there is a problem with the Intake Manifold Temperature Sensor, such as being dirty or damaged, the mixture errors are the same as if the MAF hot wire was fouled, so drivers may feel hesitation, stalling, or see the Check Engine Light as the PCM stores a code. Leak-free tubing is vital because additional air sneaking past the Intake Manifold Temperature Sensor fools the system into a lean condition similar to an Acura Integra VAF door that sticks. Throughout the life of the Acura Integra lineup, a single solid-state thermistor style has served, with differences limited to the shape of the connector, and keeping this Acura sensor clean will help every Integra conserve fuel.

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Acura Integra Intake Manifold Temperature Sensor Parts Questions & Experts Answers

Air Temperature Sensor Assembly
37880-PE2-013
Q: How to test and replace the Intake Manifold Temperature Sensor on an Acura Integra?
A:
When the ignition is on, unplug the Intake Manifold Temperature Sensor connected to the intake manifold. Place the sensor's terminals at the opposite ends of the ohmmeter probe and check resistance with the engine cold. Attach the power cable back to the sensor, crank your engine, and run it at typical working temperature. When you turn your ignition key to the ON position but don't start the engine, check the sensor's electrical connector (red/yellow wire). Its supply voltage should be around 5.0 volts. If you find no power coming from the red/yellow wire at the PCM, go back along the wire to see if there's a damaged section or loose connection. If everything electrical checks out, install another IAT sensor to resolve the test problem. If your IAT sensor tests properly but the problem continues, take your car to a certified repair shop or dealer service center to check the computer. You'll need to do three basic steps to change the sensor: disconnect the cable connected to the IAT sensor, unscrew the component that holds it to the intake, and pull out the IAT sensor. Installation is the reverse of removal.