HomeEmission Control > SensorsStandard Ignition AX39 Engine Intake Manifold Temperature Sensor
Part #: AX39

Standard Ignition AX39 Engine Intake Manifold Temperature Sensor

⚙️ 51 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Acura and Honda, RL, Odyssey, Pilot, CL, TL, MDX, Accord, and CR-V
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Overview of Standard Ignition AX39 Intake Manifold Temperature Sensor

The Standard Ignition AX39 Engine Intake Manifold Temperature Sensor is designed for precise temperature monitoring in Acura and Honda vehicles. This sensor helps maintain optimal engine performance by accurately measuring the intake manifold temperature in models such as the Accord, CR-V, and Pilot.

  • Compatible with Acura and Honda vehicles including Accord, CL, CR-V, MDX, Odyssey, Pilot, RL, and TL
  • Part number AX39 ensures exact replacement and fitment
  • Monitors engine intake manifold temperature for efficient fuel management
  • Durable construction for reliable operation under varying engine conditions
  • Direct replacement sensor designed to meet OEM specifications

Detailed Product Description

The Standard Ignition AX39 Engine Intake Manifold Temperature Sensor plays a critical role in the vehicle’s emission control system by providing accurate temperature data to the engine control unit (ECU). This data is essential for adjusting fuel injection and ignition timing, which helps optimize combustion efficiency and reduce emissions. Specifically engineered for Acura and Honda models such as the Accord, MDX, and Odyssey, this sensor ensures compatibility and reliable performance. The AX39 sensor is manufactured to meet or exceed OEM standards, providing consistent readings and durability in demanding engine environments.

Common Applications and Issues Addressed

  • Helps resolve engine performance issues related to incorrect intake air temperature readings
  • Prevents rough idling and poor fuel economy caused by faulty temperature sensors
  • Reduces risk of increased emissions due to inaccurate sensor data
  • Assists in avoiding engine stalling or hesitation during acceleration
  • Supports proper operation of the vehicle’s emission control system

Installation Notes and Tips

  • Ensure the engine is cool before sensor removal to avoid injury
  • Disconnect the battery prior to installation to prevent electrical shorts
  • Locate the intake manifold temperature sensor on the intake manifold as per vehicle service manual
  • Use appropriate tools to avoid damage to the sensor or connector
  • Verify sensor connector is securely attached after installation

Quality Assurance and Warranty

Standard Ignition parts, including the AX39 Engine Intake Manifold Temperature Sensor, are manufactured to meet strict quality standards. This sensor undergoes rigorous testing to ensure durability and accurate performance in Acura and Honda vehicles. While specific warranty details may vary, Standard Ignition typically offers a limited warranty covering defects in material and workmanship to provide confidence in product reliability.

BrandStandard Ignition
Part NumberAX39
Attachment MethodPlug In
ColorWhite, Gold
Connector GenderFemale
Connector ShapeRound
Connector TypePlug In
ContentsSensor
Hardware IncludedNo
Mounting Bracket(s) IncludedNo
Mounting TypeScrew-in
Terminal GenderMale
Terminal TypeBlade
Thread Size (mm)12MMX1.50
Wiring Harness IncludedNo

This part fits 51 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2004AcuraRLN/A
2004HondaOdysseyN/A
2004HondaPilotN/A
2003AcuraCLN/A
2003AcuraRLN/A
2003AcuraTLN/A
2003HondaOdysseyN/A
2003HondaPilotN/A
2002AcuraCLN/A
2002AcuraMDXN/A
2002AcuraRLN/A
2002AcuraTLN/A
2002HondaAccordN/A
2002HondaOdysseyN/A
2001AcuraCLN/A
2001AcuraMDXN/A
2001AcuraRLN/A
2001AcuraTLN/A
2001HondaAccordN/A
2001HondaCR-VN/A
2001HondaOdysseyN/A
2000AcuraRLN/A
2000AcuraTLN/A
2000HondaAccordN/A
2000HondaCR-VN/A
2000HondaOdysseyN/A
1999AcuraCL2.3LL4N/A
1999AcuraCL3.0LV6N/A
1999AcuraRLN/A
1999AcuraTLN/A
1999HondaAccordN/A
1999HondaCR-VN/A
1999HondaOdysseyN/A
1998AcuraCL2.3LL4N/A
1998AcuraCL3.0LV6N/A
1998AcuraRLN/A
1998HondaAccordN/A
1998HondaCR-VN/A
1998HondaOdysseyN/A
1997AcuraCL2.2LL4N/A
1997AcuraCL3.0LV6N/A
1997AcuraRLN/A
1997HondaAccordN/A
1997HondaCR-VN/A
1997HondaOdysseyN/A
1996AcuraRLN/A
1996HondaAccordN/A
1996HondaOdysseyN/A
1995HondaAccordN/A
1995HondaOdysseyN/A
1994HondaAccordN/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

139-70315-50336158-122817-121837880P0AA025S100172-450075822ATS10ATSA15AX39TTS10100TS5027V26-72-0084WT3077

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.