Standard Ignition MAS0251 Mass Air Flow Sensor

Overview of Standard Ignition Mass Air Flow Sensor MAS0251

The Standard Ignition MAS0251 Mass Air Flow Sensor is designed for precise air intake measurement in select Cadillac and Saturn vehicles. This sensor ensures accurate engine performance by monitoring airflow, essential for optimal fuel delivery and emissions control.

• Bolt-on attachment method for secure installation
• Female oval connector with one connection point
• Durable plastic construction housing the sensor assembly
• Includes a complete assembly without housing
• Two bolt holes for stable mounting
• Five male blade terminals for reliable electrical connection

Detailed Product Description

The MAS0251 Mass Air Flow Sensor from Standard Ignition is engineered to meet the specifications of Cadillac CTS and Saturn Vue models. Featuring a bolt-on attachment method, this sensor installs easily and maintains a firm connection to the intake system. The sensor’s female oval connector with a single connection ensures compatibility with the vehicle’s wiring harness. Constructed from durable plastic, the sensor assembly is designed to withstand typical engine bay conditions. The two bolt holes provide a secure fit, while the five male blade terminals guarantee consistent electrical contact for accurate airflow readings.

Compatible Vehicles and Applications

This mass air flow sensor is compatible with the following vehicles:

• Cadillac CTS
• Saturn Vue

It is specifically designed to replace faulty or worn sensors in these models, helping to restore proper engine function and emissions control.

Common Issues Addressed by MAS0251 Sensor

• Erratic engine idling or stalling
• Reduced fuel efficiency due to incorrect air-fuel mixture
• Check Engine Light triggered by airflow sensor faults
• Poor acceleration or hesitation during throttle response
• Failed emissions tests related to air intake measurement

Installation Notes and Tips

Installation of the Standard Ignition MAS0251 sensor requires removal of the old sensor and securing the new unit using the two bolt holes. Ensure the female oval connector is properly aligned and fully seated to avoid electrical issues. Handle the sensor carefully to prevent damage to the plastic housing and terminals. It is recommended to verify the sensor’s electrical connections and clear any diagnostic trouble codes after installation.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM standards. The MAS0251 Mass Air Flow Sensor undergoes rigorous quality control to ensure reliable performance. While specific warranty details may vary, Standard Ignition typically offers a limited warranty covering defects in materials and workmanship.