Standard Ignition AS358 Manifold Absolute Pressure Sensor

Reliable Manifold Absolute Pressure Sensor for Subaru Vehicles

The Standard Ignition AS358 Manifold Absolute Pressure Sensor is designed to provide accurate engine load data for Subaru Forester, Impreza, Legacy, and Outback models. This sensor helps maintain optimal engine performance by monitoring the pressure inside the intake manifold.

Key Features of the Standard Ignition AS358 Sensor

• Compatible with Subaru Forester, Impreza, Legacy, and Outback models
• Precise pressure measurement for accurate engine control
• Direct replacement part number AS358 for easy installation
• Durable construction to withstand engine environment
• Ensures proper air-fuel mixture and emission control

Detailed Description of the AS358 Manifold Absolute Pressure Sensor

The AS358 sensor from Standard Ignition is engineered to measure the absolute pressure within the intake manifold of select Subaru vehicles. By providing real-time data to the engine control unit (ECU), it enables precise adjustments to fuel injection and ignition timing. This sensor is critical for maintaining engine efficiency, reducing emissions, and preventing drivability issues. Compatible specifically with Subaru Forester, Impreza, Legacy, and Outback models, the AS358 sensor meets OEM specifications for fit and function.

Common Issues Addressed by the AS358 Sensor

• Erratic engine idling or stalling
• Poor fuel economy due to incorrect air-fuel mixture
• Check engine light triggered by faulty manifold pressure readings
• Reduced engine power and acceleration
• Increased exhaust emissions and failed emissions tests

Installation Notes and Tips for the AS358 Sensor

• Ensure the engine is cool before beginning installation
• Disconnect the battery to prevent electrical shorts
• Locate the existing manifold absolute pressure sensor on the intake manifold
• Remove the old sensor carefully and install the AS358 sensor in the same orientation
• Reconnect electrical connectors securely to avoid signal loss
• Clear any diagnostic trouble codes after installation

Quality Assurance and Warranty Information

Standard Ignition manufactures the AS358 sensor to meet strict quality standards, ensuring reliable performance and durability. This part is tested for fit, form, and function to match OEM requirements. Warranty coverage details should be confirmed with the distributor or retailer, as they may vary.