Standard Motor Products AS641 Manifold Absolute Pressure MAP Sensor

The Standard Motor Products AS641 is a direct-fit replacement manifold absolute pressure (MAP) sensor designed to restore proper engine performance and fuel efficiency. This sensor accurately measures manifold pressure changes and converts them into voltage or frequency signals that the engine control module uses to calculate engine load, optimize ignition timing, and regulate fuel delivery.

Key Features:

• High-quality OE replacement sensor for reliable performance
• Accurately measures manifold vacuum and pressure for precise air-fuel ratio control
• Helps the PCM estimate airflow on speed density fuel injection systems
• Critical for proper ignition timing advance and retard functions
• Restores engine performance and eliminates check engine lights caused by faulty MAP sensors

A malfunctioning MAP sensor can cause numerous driveability issues including intermittent check engine lights, hesitation during acceleration, rough idle, elevated emissions, and reduced fuel economy. The AS641 sensor provides a cost-effective solution to restore your vehicle to optimal operating condition. UPC: 033086207971.