Standard Ignition AS449 Manifold Absolute Pressure Sensor

Overview of Standard Ignition AS449 Manifold Absolute Pressure Sensor

The Standard Ignition AS449 is a reliable manifold absolute pressure (MAP) sensor designed specifically for Fiat 500 models. This sensor plays a critical role in monitoring engine performance by measuring the pressure within the intake manifold, ensuring optimal air-fuel mixture and efficient combustion.

• Compatible with Fiat 500 vehicles
• Accurate manifold pressure readings for engine control
• Direct replacement part number AS449
• Designed to meet OEM specifications
• Durable construction for long-term use

Detailed Product Description

The Standard Ignition AS449 MAP sensor is engineered to provide precise pressure data to the engine control unit (ECU) of Fiat 500 models. By accurately detecting the manifold pressure, it helps regulate fuel injection and ignition timing, which are essential for maintaining engine efficiency and reducing emissions. This sensor is manufactured to meet or exceed original equipment standards, ensuring a seamless fit and reliable operation within the emission control system.

Common Applications and Problem Resolution

This manifold absolute pressure sensor is used to address several engine performance issues related to faulty pressure readings. It is particularly effective in resolving:

• Erratic engine idling or stalling
• Poor fuel economy due to incorrect air-fuel mixture
• Check engine light triggered by MAP sensor faults
• Reduced engine power and acceleration
• Increased exhaust emissions from improper combustion

Installation Notes and Tips

When installing the Standard Ignition AS449 on a Fiat 500, ensure the engine is cool and the ignition is off before beginning. Disconnect the battery to prevent electrical shorts. Remove the old MAP sensor carefully to avoid damaging the intake manifold or wiring harness. Install the new sensor securely, reconnect all electrical connectors, and clear any diagnostic trouble codes using an OBD-II scanner to reset the ECU.

Quality Assurance and Warranty Information

Standard Ignition manufactures the AS449 MAP sensor to meet stringent quality standards, ensuring consistent performance and durability. This part is tested for fit, form, and function to provide dependable operation within the Fiat 500’s emission control system. Warranty coverage details should be confirmed at the point of purchase, as they may vary by distributor.