Standard Ignition MAS0274 Mass Air Flow Sensor

Overview of Standard Ignition Mass Air Flow Sensor MAS0274

The Standard Ignition MAS0274 Mass Air Flow Sensor is designed for precise air measurement in select Buick and Cadillac vehicles. This sensor ensures accurate air intake readings, contributing to optimal engine performance and emission control.

• Attachment Method: Bolt on for secure installation
• Connector Gender: Female with one oval-shaped connector
• Includes housing for complete assembly
• Durable plastic material construction
• Two bolt holes for stable mounting
• Terminal Type: Five male blade terminals

Detailed Product Description

The MAS0274 Mass Air Flow Sensor from Standard Ignition is engineered to provide reliable air flow measurement for emission control systems. Featuring a bolt-on attachment method, it offers straightforward installation on compatible Buick and Cadillac models including the CTS, LaCrosse, Rendezvous, SRX, and STS. The sensor includes a female oval connector with one connection point and five male blade terminals, ensuring proper electrical interfacing. Its plastic housing protects the internal components while maintaining durability under engine bay conditions. The two-bolt hole design secures the sensor firmly in place, reducing the risk of vibration-related issues.

Compatible Vehicles and Applications

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

• Buick LaCrosse
• Buick Rendezvous
• Cadillac CTS
• Cadillac SRX
• Cadillac STS

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

Common Issues Addressed by MAS0274 Sensor

• Erratic engine idle or stalling
• Reduced fuel efficiency due to inaccurate air measurement
• Check engine light triggered by faulty air flow readings
• Poor acceleration or hesitation during throttle response
• Emission test failures related to air-fuel mixture imbalance

Installation Notes and Tips

Installation of the Standard Ignition MAS0274 sensor requires unbolting the old sensor and securing the new one 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 disconnect the battery before installation to prevent electrical shorts.

Quality Assurance and Warranty

Standard Ignition provides this mass air flow sensor as a complete assembly, tested for fit and function on specified Buick and Cadillac models. The sensor meets OEM specifications for performance and durability. Warranty coverage details should be confirmed with the point of purchase or manufacturer documentation.