Standard Ignition AS538 Manifold Absolute Pressure Sensor

Overview of Standard Ignition AS538 Manifold Absolute Pressure Sensor

The Standard Ignition AS538 Manifold Absolute Pressure (MAP) Sensor is designed for precise engine management in select Cadillac and Chevrolet vehicles. 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
• Port Quantity: 1
• Terminal Gender: Male
• Terminal Quantity: 3
• Terminal Type: Pin

Detailed Product Description

The AS538 MAP sensor from Standard Ignition features a single plug-in female connector with three male pin terminals, ensuring secure and reliable electrical connections. Its single port design allows accurate measurement of the manifold absolute pressure, which is essential for the engine control unit (ECU) to adjust air-fuel mixture and ignition timing. This sensor is engineered to meet the specifications required for Cadillac CT6 and Chevrolet Malibu models, providing consistent performance and compatibility.

Compatible Vehicles and Applications

This MAP sensor is compatible with the following vehicles:

• Cadillac CT6
• Chevrolet Malibu

It is specifically designed to replace the original equipment sensor, ensuring proper fit and function in these models.

Common Issues Addressed by the AS538 MAP Sensor

• Erratic engine idling or stalling
• Poor fuel economy due to incorrect air-fuel mixture
• Check Engine Light triggered by faulty manifold pressure readings
• Reduced engine power or hesitation during acceleration
• Failed emissions tests related to sensor malfunction

Installation Notes and Tips

• Ensure the ignition is off before disconnecting the old sensor
• Handle the sensor carefully to avoid damage to the connector pins
• Verify the female plug-in connector aligns properly with the vehicle harness
• Check for any vacuum leaks around the sensor port after installation
• Clear any diagnostic trouble codes after replacement to reset the ECU

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM standards. The AS538 MAP sensor undergoes rigorous testing to ensure durability and accurate performance. This part includes a limited warranty covering defects in material and workmanship, providing confidence in its reliability for Cadillac CT6 and Chevrolet Malibu applications.