HomeHVAC > SensorsStandard Ignition AX258 Ambient Air Temperature Sensor
Part #: AX258

Standard Ignition AX258 Ambient Air Temperature Sensor

⚙️ 5 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Chevrolet and Pontiac, Caprice and G8
🔄Easy Returns — Return within 60 days for a full refund
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Overview of Standard Ignition AX258 Ambient Air Temperature Sensor

The Standard Ignition AX258 Ambient Air Temperature Sensor is designed for precise temperature monitoring in Chevrolet Caprice and Pontiac G8 vehicles. This sensor ensures accurate ambient air temperature readings, which are critical for HVAC system performance and engine management.

  • Push-on attachment method for secure installation
  • Black color housing with a durable design
  • Female connector with one plug-in connection
  • Connector shape combines round and rectangular for reliable fit
  • Two male blade terminals for stable electrical contact
  • Does not include mounting brackets or wiring harness

Detailed Product Description

The AX258 Ambient Air Temperature Sensor by Standard Ignition is engineered to provide consistent and accurate ambient temperature data to your vehicle’s HVAC and engine control systems. Featuring a push-on attachment method, this sensor is easy to install and maintain. The black sensor housing is designed to withstand typical under-hood conditions. It includes a single female connector with a unique round and rectangular shape to ensure a secure plug-in connection. The sensor terminals are male blade type, with two terminals to maintain reliable electrical contact. This sensor is compatible specifically with Chevrolet Caprice and Pontiac G8 models, ensuring proper fit and function.

Common Applications and Issues Addressed

  • Incorrect ambient temperature readings affecting HVAC climate control
  • Engine performance issues related to inaccurate air temperature data
  • Fault codes triggered by faulty or failing ambient air temperature sensors
  • Reduced fuel efficiency due to improper temperature input
  • Intermittent sensor connection problems causing erratic sensor behavior

Installation Notes and Tips

Installation of the Standard Ignition AX258 sensor requires no mounting brackets or wiring harness, simplifying the replacement process. Ensure the push-on attachment is fully seated to avoid loose connections. Verify the female connector aligns properly with the sensor’s round and rectangular plug-in shape. Disconnect the battery before installation to prevent electrical shorts. After installation, clear any diagnostic trouble codes and test the sensor function with a scan tool to confirm proper operation.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications for fit, form, and function. The AX258 Ambient Air Temperature Sensor undergoes rigorous quality control to ensure durability and reliability in Chevrolet Caprice and Pontiac G8 vehicles. Warranty coverage details should be confirmed with the product documentation or manufacturer, typically including protection against defects in materials and workmanship.

BrandStandard Ignition
Part NumberAX258
Attachment MethodPush On
ColorBlack
Connector GenderFemale
Connector ShapeRound, Rectangular
Connector TypePlug In
ContentsSensor
Mounting Bracket(s) IncludedNo
Terminal GenderMale
Terminal TypeBlade
Wiring Harness IncludedNo

This part fits 5 vehicles. Search below:

YearMakeModelPositionNotes
2013ChevroletCapriceN/APolice Package
2012ChevroletCapriceN/APolice Package
2011ChevroletCapriceN/APolice Package
2009PontiacG8N/A
2008PontiacG8N/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:

5S1183572-49747609392171917ATSA285TS57385WT5694

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