Standard Ignition AS458 Manifold Absolute Pressure Sensor

Reliable Manifold Absolute Pressure Sensor for Infiniti and Nissan

The Standard Ignition AS458 Manifold Absolute Pressure Sensor is designed to provide accurate engine load data for optimal performance. Compatible with a range of Infiniti and Nissan models, this sensor helps maintain efficient engine operation and emission control.

• Direct replacement for OEM manifold absolute pressure sensor
• Compatible with Infiniti 370Z, EX35, FX50, G37, Q50, Q60, Q70, Q70L, QX50, QX56, QX70, and QX80
• Ensures precise measurement of intake manifold pressure
• Supports proper air-fuel mixture and engine timing adjustments
• Durable construction for consistent performance

Product Details and Compatibility

The AS458 sensor from Standard Ignition is engineered to meet the specifications required by various Infiniti and Nissan vehicles. This manifold absolute pressure sensor plays a critical role in monitoring the pressure within the intake manifold, which is essential for the engine control unit (ECU) to calculate air density and adjust fuel injection accordingly. It is compatible with popular models such as the Infiniti 370Z, EX35, FX50, G37, Q50, Q60, Q70, Q70L, QX50, QX56, QX70, and QX80, as well as Nissan vehicles that share these platforms. Using the correct sensor ensures accurate data transmission and helps maintain emission standards.

Common Applications and Problem Resolution

• Helps resolve engine stalling or rough idling caused by incorrect manifold pressure readings
• Addresses poor fuel economy due to inaccurate air-fuel mixture adjustments
• Prevents check engine light triggers related to sensor faults
• Improves engine performance by providing reliable pressure data
• Supports emission control systems by ensuring proper sensor input

Installation Notes and Tips

Installation of the Standard Ignition AS458 sensor should be performed with the engine off and cooled down. Ensure the sensor connector and mounting area are clean before installation. Properly secure the sensor to avoid vacuum leaks or loose connections. After installation, it is recommended to clear any diagnostic trouble codes and verify sensor operation with a scan tool to confirm correct functionality.

Quality Assurance and Warranty

Standard Ignition manufactures the AS458 sensor to meet or exceed OEM standards for fit, form, and function. Each sensor undergoes rigorous testing to ensure durability and reliable performance. This part is backed by Standard Ignition's limited warranty, providing coverage against defects in materials and workmanship under normal use.