Standard Ignition AS331 Manifold Absolute Pressure Sensor

Reliable Manifold Absolute Pressure Sensor for Chrysler, Dodge, and Mitsubishi

The Standard Ignition AS331 Manifold Absolute Pressure Sensor is designed to provide accurate pressure readings for optimal engine performance. Compatible with various Chrysler, Dodge, and Mitsubishi models, this sensor helps maintain efficient fuel management and emission control.

• Direct replacement for OEM manifold absolute pressure sensors
• Compatible with Chrysler, Dodge, and Mitsubishi vehicles including Eclipse, Endeavor, Galant, Grandis, L200, Lancer, Montero, Montero Sport, Outlander, Sebring, and Stratus
• Ensures precise measurement of intake manifold pressure
• Supports proper engine control unit (ECU) operation for fuel efficiency
• Durable construction designed for long-term use

Product Overview and Compatibility

The AS331 sensor from Standard Ignition is engineered to monitor the absolute pressure within the intake manifold, a critical parameter for engine management systems. By delivering accurate pressure data, it enables the ECU to adjust fuel injection and ignition timing effectively. This sensor is compatible with a range of Chrysler, Dodge, and Mitsubishi vehicles, including popular models such as the Mitsubishi Lancer and Dodge Stratus. The part number AS331 ensures you receive the correct component for your vehicle’s emission control system.

Common Applications and Problem Resolution

• Helps resolve engine stalling or rough idling caused by faulty pressure readings
• Addresses poor fuel economy linked to incorrect manifold pressure data
• Reduces engine hesitation and misfires related to sensor failure
• Prevents check engine light triggers due to emission control faults
• Supports emission compliance by maintaining accurate sensor input

Installation Notes and Tips

Installation of the Standard Ignition AS331 sensor should be performed with the engine off and cooled down. Ensure the sensor connector and mounting area are clean before installation. Properly secure the sensor to avoid vacuum leaks or loose connections. After installation, it is recommended to clear any diagnostic trouble codes and verify sensor operation with a scan tool.

Quality Assurance and Warranty

Standard Ignition manufactures the AS331 sensor to meet or exceed OEM specifications, ensuring reliable performance and durability. While specific warranty details may vary, Standard Ignition typically offers a limited warranty covering defects in materials and workmanship. Refer to the product documentation for exact warranty terms.