Standard Ignition AS398 Manifold Absolute Pressure Sensor

Overview of Standard Ignition AS398 Manifold Absolute Pressure Sensor

The Standard Ignition AS398 Manifold Absolute Pressure (MAP) Sensor is designed for precise engine management in select Chevrolet, Pontiac, and Saturn 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: Blade

Detailed Product Description

The AS398 MAP sensor from Standard Ignition features a single plug-in female connector with three male blade terminals, ensuring a secure and reliable electrical connection. Its single port design allows accurate measurement of the manifold absolute pressure, which is essential for the engine control unit (ECU) to calculate air density and adjust fuel injection accordingly. This sensor is engineered to meet the specifications required for Chevrolet Cobalt, HHR, Pontiac Sky, and Saturn Solstice models, providing consistent performance and compatibility.

Applications and Common Issues Addressed

• Helps resolve rough idling and engine stalling caused by incorrect manifold pressure readings
• Improves fuel efficiency by providing accurate pressure data to the ECU
• Reduces engine hesitation and poor acceleration linked to faulty MAP sensors
• Assists in correcting check engine light triggers related to emission control sensors
• Supports proper air-fuel mixture for emission compliance in Chevrolet, Pontiac, and Saturn vehicles

Installation Notes and Tips

Installation of the Standard Ignition AS398 MAP sensor requires disconnecting the battery before removal to prevent electrical shorts. Ensure the female plug-in connector is securely attached to the sensor’s three male blade terminals. Verify that the sensor port is free of debris before installation to maintain accurate pressure readings. This sensor is a direct replacement for the original equipment part and fits Chevrolet Cobalt, HHR, Pontiac Sky, and Saturn Solstice models without modification.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM standards. The AS398 MAP sensor undergoes rigorous testing to ensure durability and reliable performance under normal operating conditions. This part is backed by Standard Ignition’s limited warranty, providing coverage against defects in materials and workmanship for a specified period.