OE Quality
60-Day Returns

Standard Ignition AS442 Manifold Absolute Pressure Sensor
Overview of Standard Ignition AS442 Manifold Absolute Pressure Sensor
The Standard Ignition AS442 Manifold Absolute Pressure Sensor is designed specifically for Mazda 2 models. This sensor plays a critical role in monitoring the intake manifold pressure to ensure optimal engine performance and emissions control.
- Compatible with Mazda 2 vehicles
- Part number AS442 for precise identification
- Measures manifold absolute pressure accurately
- Supports emission control system functionality
- Direct replacement sensor for reliable fit and function
Detailed Product Description
The AS442 Manifold Absolute Pressure Sensor from Standard Ignition is engineered to provide accurate pressure readings from the intake manifold of Mazda 2 vehicles. This data is essential for the engine control unit (ECU) to adjust fuel injection and ignition timing, which helps maintain efficient combustion and reduce emissions. The sensor is designed to meet OEM specifications, ensuring compatibility and durability under typical operating conditions.
Function and Common Applications
This sensor is used to monitor the absolute pressure inside the intake manifold, which is a key parameter for engine management systems. It helps the vehicle's ECU calculate air density and determine the engine's air mass flow rate.
- Helps resolve rough idling issues
- Addresses poor fuel economy problems
- Corrects engine stalling related to faulty pressure readings
- Reduces check engine light triggers related to manifold pressure
- Improves overall engine performance and emissions control
Installation Notes and Tips
Installation of the Standard Ignition AS442 sensor should be performed with care to avoid damage. Ensure the engine is cool before removal and installation. Disconnect the battery to prevent electrical shorts. Verify the sensor connector is clean and free of corrosion before attaching. After installation, clear any diagnostic trouble codes and perform a test drive to confirm proper operation.
Quality Assurance and Warranty
Standard Ignition parts are manufactured to meet or exceed OEM standards. The AS442 sensor undergoes rigorous testing to ensure reliability and performance. While specific warranty details may vary, Standard Ignition typically offers a limited warranty covering defects in materials and workmanship.
| Brand | Standard Ignition |
|---|---|
| Part Number | AS442 |
| Connector Gender | Male |
| Connector Type | Plug In |
| Terminal Gender | Male |
| Terminal Type | Blade |
This part fits 4 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2014 | Mazda | 2 | N/A | |
| 2013 | Mazda | 2 | N/A | |
| 2012 | Mazda | 2 | N/A | |
| 2011 | Mazda | 2 | N/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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.