Spectra MA172 Mass Air Flow Sensor

Reliable Mass Air Flow Sensor for Buick, Chevrolet, Oldsmobile, and Pontiac

The Spectra MA172 Mass Air Flow Sensor is designed to provide accurate airflow measurement for a range of Buick, Chevrolet, Oldsmobile, and Pontiac vehicles. This sensor helps maintain optimal engine performance by ensuring the correct air-to-fuel ratio.

• Direct replacement Mass Air Flow Sensor for select GM models
• Compatible with Buick 88, 98, LeSabre, Park Avenue, and more
• Fits Chevrolet Lumina APV, Lumina Van, and LSS models
• Supports Oldsmobile Cutlass, Cutlass Ciera, and Silhouette vehicles
• Works with Pontiac Bonneville, Grand Prix, and Trans Sport

Accurate Airflow Measurement for Engine Efficiency

The Spectra MA172 sensor measures the volume and density of air entering the engine, providing critical data to the engine control unit (ECU). This information allows the ECU to adjust fuel injection and ignition timing for efficient combustion. Designed to meet OEM specifications, the MA172 ensures consistent performance and helps reduce emissions in compatible Buick, Chevrolet, Oldsmobile, and Pontiac models.

Compatible Vehicles and Applications

• Buick models: 88, 98, LeSabre, Park Avenue, Riviera, and more
• Chevrolet models: Lumina APV, Lumina Van, LSS
• Oldsmobile models: Cutlass, Cutlass Ciera, Cutlass Cruiser, Silhouette
• Pontiac models: Bonneville, Grand Prix, Trans Sport, Firebird, and others

Common Issues Addressed by the MA172 Mass Air Flow Sensor

• Engine hesitation or stalling during acceleration
• Reduced fuel efficiency and increased emissions
• Check engine light triggered by airflow sensor faults
• Rough idle or inconsistent engine performance
• Difficulty starting the engine in some conditions

Installation Notes and Tips

When replacing the MA172 Mass Air Flow Sensor, ensure the engine is cool and the ignition is off. Disconnect the battery before removal to prevent electrical issues. Carefully unplug the sensor connector and remove mounting screws. Install the new sensor securely and reconnect the electrical connector. After installation, clear any diagnostic trouble codes and verify proper engine operation.

Quality Assurance and Warranty

The Spectra MA172 Mass Air Flow Sensor is manufactured to meet or exceed OEM standards for durability and performance. While specific warranty details may vary, Spectra products typically include a limited warranty against defects in materials and workmanship. Refer to the product documentation for exact warranty terms.