Standard Ignition AS374 Manifold Absolute Pressure Sensor

Overview of Standard Ignition AS374 Manifold Absolute Pressure Sensor

The Standard Ignition AS374 is a reliable manifold absolute pressure (MAP) sensor designed for select Volvo models. This sensor plays a critical role in engine management by accurately measuring the pressure within the intake manifold, ensuring optimal engine performance and emissions control.

• Compatible with Volvo 850, C70, S70, V40, and V70 models
• Measures manifold absolute pressure for precise engine control
• Direct replacement part number AS374 for easy identification
• Designed to meet OEM specifications for fit and function
• Supports emission control system efficiency

Detailed Product Description

The Standard Ignition AS374 manifold absolute pressure sensor is engineered to provide accurate pressure readings from the intake manifold to the engine control unit (ECU). This data is essential for calculating air density and determining the engine's air-fuel mixture. Proper functioning of the MAP sensor helps maintain engine efficiency, reduces emissions, and supports smooth vehicle operation. This sensor is specifically compatible with Volvo models including the 850, C70, S70, V40, and V70, ensuring a precise fit and reliable performance.

Common Applications and Issues Addressed

• Helps resolve rough idling and engine stalling
• Improves fuel economy by optimizing air-fuel mixture
• Reduces engine hesitation and poor acceleration
• Supports emission control compliance by accurate pressure measurement
• Prevents check engine light triggers related to manifold pressure faults

Installation Notes and Tips

When installing the Standard Ignition AS374 MAP sensor, ensure the engine is cool and the ignition is off. Disconnect the battery before removal to avoid electrical issues. Carefully unplug the sensor connector and remove mounting hardware. Install the new sensor securely, reconnect the electrical connector, and clear any diagnostic trouble codes with an appropriate scan tool. Verify proper sensor operation by monitoring engine performance and checking for error codes.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM standards, ensuring reliable fit and function. The AS374 MAP sensor undergoes rigorous quality control testing to maintain consistent performance. This part typically includes a limited warranty covering defects in materials and workmanship, providing confidence in its durability and reliability for Volvo 850, C70, S70, V40, and V70 vehicles.