What is the purpose of the Intake Air Temperature (IAT) Sensor for the Honda Prelude?

The ECM/PCM uses the Intake Manifold Temperature Sensor to keep an eye on the air temperature in the intake manifold which helps it decide when to spark as well as how much fuel to allow. Turn off the ignition and disconnect the Intake Manifold Temperature Sensor's wiring harness. Measure the resistance between terminals, compare with chart results, and if resistance is not correct, sensor replacement is necessary. Replace by removing battery connections, unscrew the sensor and install a new one having Teflon sealant on its threads.

Genuine Honda Prelude Intake Manifold Temperature Sensor

Air Intake Temperature Sensor

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3 Intake Manifold Temperature Sensors found

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Honda Prelude Sensor Assembly, Air Temperature
Part Number: 37880-P05-A00
$26.04 MSRP: $36.78
You Save: $10.74 (30%)
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Product Specifications
- Other Name: Air Intake Temp Sensor; Air Intake Temperature Sensor
- Replaces: 37880-PK2-005, 37880-PK2-015
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 1988-2001 Honda Prelude | 2 Door 2.05SI, 2 Door 2.0SI, 2 Door Base, 2 Door S, 2 Door SI, 2 Door Sivtec, 2 Door TYPESH | KA 4AT, KA 5MT, KL 4AT, KL 5MT
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Honda Prelude Sensor Assy., Ta
Part Number: 37880-PH4-661
$46.71 MSRP: $67.70
You Save: $20.99 (31%)
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Product Specifications
- Other Name: Sensor
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 1988-1990 Honda Prelude | 2 Door 2.0S | KA 4AT, KA 5MT, KL 4AT, KL 5MT
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Honda Prelude Sensor Assy., Ta
Part Number: 37880-PD1-911
Product Specifications
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 1985-1987 Honda Prelude | 2 Door SI | KA 4AT, KA 5MT, KL 4AT, KL 5MT

Honda Prelude Intake Manifold Temperature Sensor Parts Questions & Experts Answers

Sensor Assembly, Air Temperature
37880-P05-A00
Q: What is the purpose of the Intake Air Temperature (IAT) Sensor for the Honda Prelude?
A: The ECM/PCM uses the Intake Manifold Temperature Sensor to keep an eye on the air temperature in the intake manifold which helps it decide when to spark as well as how much fuel to allow. Turn off the ignition and disconnect the Intake Manifold Temperature Sensor's wiring harness. Measure the resistance between terminals, compare with chart results, and if resistance is not correct, sensor replacement is necessary. Replace by removing battery connections, unscrew the sensor and install a new one having Teflon sealant on its threads.