Standard Ignition AS645 Manifold Absolute Pressure Sensor

Reliable Manifold Absolute Pressure Sensor for Audi and Volkswagen

The Standard Ignition AS645 Manifold Absolute Pressure Sensor is designed to provide accurate pressure readings for optimal engine performance. Compatible with various Audi and Volkswagen models, this sensor helps maintain efficient fuel management and emission control.

Key Features of Standard Ignition AS645 Sensor

• Direct replacement for OEM manifold absolute pressure sensors
• Compatible with Audi A4, A5 Quattro, A6, allroad, and Volkswagen Beetle, Eos, GTI, Jetta, Passat, Q3, Q3 Quattro, Q5, Tiguan, TT Quattro
• Ensures precise manifold pressure measurement for engine control units
• Durable construction for consistent performance under varying conditions
• Part number AS645 for easy identification and fitment

Detailed Description of the AS645 Manifold Absolute Pressure Sensor

The Standard Ignition AS645 sensor monitors the absolute pressure inside the intake manifold, providing critical data to the engine control unit (ECU). This information is essential for calculating air density and adjusting fuel injection and ignition timing. Designed to meet or exceed OEM specifications, the AS645 sensor supports proper engine operation and emission control systems in Audi and Volkswagen vehicles. Its compatibility with models such as the Audi A4, A5 Quattro, and Volkswagen Jetta ensures a precise fit and reliable performance.

Common Issues Addressed by the AS645 Sensor

• Erratic engine idling or stalling due to incorrect manifold pressure readings
• Poor fuel economy caused by inaccurate air-fuel mixture adjustments
• Check engine light triggered by faulty or failing MAP sensor
• Reduced engine power and acceleration issues
• Failed emissions tests related to improper sensor data

Installation Notes and Tips

• Ensure the engine is cool before sensor replacement to avoid injury
• Disconnect the battery to prevent electrical shorts during installation
• Locate the existing manifold absolute pressure sensor on the intake manifold
• Carefully remove the electrical connector and mounting screws
• Install the Standard Ignition AS645 sensor securely and reconnect the wiring harness
• Clear any diagnostic trouble codes after installation to reset the ECU

Quality Assurance and Warranty Information

Standard Ignition manufactures the AS645 sensor to meet strict quality standards, ensuring reliable performance and durability. While specific warranty details may vary, Standard Ignition typically offers coverage against defects in materials and workmanship. Refer to the product documentation or manufacturer for exact warranty terms.