Standard Ignition AS305 Manifold Absolute Pressure Sensor

Overview of Standard Ignition AS305 Manifold Absolute Pressure Sensor

The Standard Ignition AS305 Manifold Absolute Pressure Sensor is designed for precise engine management in select Buick and Cadillac models. This sensor plays a critical role in monitoring manifold pressure to optimize fuel delivery and engine performance.

• Connector Gender: Female
• Connector Quantity: 1
• Connector Type: Plug in
• Terminal Gender: Male
• Terminal Quantity: 3
• Terminal Type: Blade

Detailed Product Description

The AS305 sensor from Standard Ignition features a female plug-in connector with a single connection point, ensuring a secure and reliable electrical interface. It includes three male blade terminals that provide stable signal transmission to the engine control unit. This configuration supports accurate manifold absolute pressure readings, which are essential for maintaining proper air-fuel mixture and engine efficiency.

Compatible with Buick Allure, LaCrosse, and Cadillac CTS, SRX, STS, and Rendezvous models, the AS305 sensor is engineered to meet OEM specifications. Its plug-in connector type simplifies installation and replacement, reducing downtime during maintenance.

Common Applications and Issues Addressed

• Helps correct engine stalling or rough idling caused by faulty manifold pressure readings
• Improves fuel economy by providing accurate pressure data to the engine control module
• Reduces emissions by ensuring proper air-fuel mixture adjustments
• Prevents check engine light triggers related to manifold pressure sensor faults
• Supports smooth acceleration and engine responsiveness

Installation Notes and Tips

• Ensure the vehicle ignition is off before sensor replacement
• Disconnect the negative battery terminal to avoid electrical shorts
• Locate the manifold absolute pressure sensor on the intake manifold for your specific Buick or Cadillac model
• Carefully unplug the female connector and remove the sensor mounting bolts
• Install the new AS305 sensor by securing it firmly and reconnecting the plug-in connector
• Clear any diagnostic trouble codes after installation to reset the engine control module

Quality Assurance and Warranty

Standard Ignition manufactures the AS305 sensor to meet strict quality standards, ensuring reliable performance and durability. This part is tested for fit, form, and function to match original equipment specifications. Warranty coverage details should be confirmed at the time of purchase, typically including protection against manufacturing defects.