Standard Ignition MAS0258 Mass Air Flow Sensor

Overview of Standard Ignition Mass Air Flow Sensor MAS0258

The Standard Ignition MAS0258 Mass Air Flow Sensor is designed for precise air measurement in select GM vehicles. This sensor ensures accurate air intake readings for optimal engine performance in Cadillac Escalade, Chevrolet Tahoe, and GMC Yukon models.

• Attachment Method: Clamp for secure installation
• Connector Gender: Female with one oval-shaped connector
• Includes housing for complete assembly
• Material: Durable plastic construction
• Terminal Type: Five male blade terminals
• No bolt holes required for mounting

Detailed Product Description

The MAS0258 Mass Air Flow Sensor by Standard Ignition is a complete assembly designed to replace the factory sensor in various GM trucks and SUVs. Its clamp attachment method allows for a straightforward and secure fit without the need for additional bolts. The sensor features a single female oval connector that interfaces with the vehicle’s wiring harness, ensuring reliable electrical connections through five male blade terminals. Constructed from durable plastic, the housing protects the sensor’s internal components from environmental factors. This sensor is compatible with Cadillac Escalade, Escalade ESV, Escalade EXT, Chevrolet Sierra 1500, Tahoe, and GMC Yukon and Yukon XL 1500 models, providing precise airflow measurement critical for engine management systems.

Common Applications and Problem Resolution

• Helps resolve engine stalling or rough idling caused by inaccurate air flow readings
• Addresses poor fuel economy linked to faulty mass air flow sensors
• Corrects check engine light triggers related to air intake sensor faults
• Improves throttle response and overall engine performance
• Prevents drivability issues caused by sensor malfunction

Installation Notes and Tips

Installation of the MAS0258 sensor requires unclamping the old sensor and replacing it with the new assembly. Ensure the oval female connector is properly aligned and securely connected to avoid electrical issues. Since the sensor does not require bolt holes, verify the clamp is tight to prevent air leaks. It is recommended to inspect the air intake system for debris or damage during installation to maintain sensor accuracy.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications. The MAS0258 Mass Air Flow Sensor undergoes rigorous testing to ensure durability and performance. This sensor comes with a limited warranty covering defects in materials and workmanship, providing confidence in its reliability for your Cadillac Escalade, Chevrolet Tahoe, or GMC Yukon vehicle.