Standard Ignition AS198 Manifold Absolute Pressure Sensor

Overview of Standard Ignition AS198 Manifold Absolute Pressure Sensor

The Standard Ignition AS198 Manifold Absolute Pressure (MAP) Sensor is designed specifically for Hyundai Sonata models. This sensor plays a critical role in monitoring the intake manifold pressure to optimize engine performance and emissions control.

• Terminal Quantity: 3 with male blade terminals
• Connector: 1 female rectangular plug-in type
• Color/Finish: Black
• Includes mounting bracket and hardware for secure installation
• Equipped with 1 vacuum port for accurate pressure readings

Detailed Product Description

The AS198 MAP sensor from Standard Ignition is engineered to provide precise manifold pressure data to the engine control unit (ECU) of Hyundai Sonata vehicles. Featuring a black finish and a single female rectangular plug-in connector, this sensor ensures reliable electrical connections with its three male blade terminals. The included mounting bracket and hardware facilitate a straightforward and secure installation process. With one vacuum port, the sensor accurately measures the absolute pressure inside the intake manifold, which is essential for proper air-fuel mixture adjustments and emission control.

Function and Common Applications

This manifold absolute pressure sensor is used to monitor and report intake manifold pressure to the vehicle’s ECU. It helps maintain optimal engine performance and emissions compliance. Common issues addressed by replacing the AS198 sensor include:

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

Installation Notes and Tips

When installing the Standard Ignition AS198 MAP sensor on a Hyundai Sonata, ensure the mounting bracket is securely fastened using the included hardware. Verify the connector is fully seated to prevent electrical issues. No O-rings are included, so inspect the vacuum port seal for any wear or damage before installation. Proper installation will help maintain accurate sensor readings and engine performance.

Quality Assurance and Warranty

Standard Ignition manufactures the AS198 sensor to meet or exceed OEM specifications for fit, form, and function. The product includes all necessary mounting hardware and brackets to ensure a proper fit on Hyundai Sonata models. While specific warranty details are not provided here, Standard Ignition typically offers a limited warranty covering defects in materials and workmanship.