Standard Ignition AS145 Manifold Absolute Pressure Sensor

Reliable Manifold Absolute Pressure Sensor for Nissan and Infiniti

The Standard Ignition AS145 Manifold Absolute Pressure Sensor is designed to provide accurate engine load data for optimal performance. Compatible with Nissan Pathfinder, Nissan Pickup, and Infiniti QX4 models, this sensor ensures precise air pressure readings within the intake manifold.

• Direct replacement for OEM manifold absolute pressure sensors
• Compatible with Nissan Pathfinder, Nissan Pickup, and Infiniti QX4 vehicles
• Part number AS145 for easy identification and fitment
• Ensures accurate engine load measurement for efficient fuel management
• Durable construction for consistent performance under various conditions

Product Details and Compatibility

The Standard Ignition AS145 sensor is engineered to meet the specifications required by Nissan and Infiniti vehicles, specifically the Pathfinder, Pickup, and QX4 models. This sensor monitors the absolute pressure inside the intake manifold, providing critical data to the engine control unit (ECU). Accurate pressure readings help the ECU adjust fuel injection and ignition timing, contributing to smoother engine operation and better emissions control.

Common Applications and Problem Resolution

This manifold absolute pressure sensor is used to address several engine performance issues, including:

• Irregular or rough idling in Nissan Pathfinder, Pickup, and Infiniti QX4
• Poor fuel economy due to incorrect air-fuel mixture
• Engine stalling or hesitation during acceleration
• Check engine light triggered by faulty MAP sensor readings
• Reduced engine power and drivability concerns

Installation Notes and Tips

When installing the Standard Ignition AS145 sensor, ensure the engine is cool and the ignition is off. Disconnect the battery before removal to prevent electrical shorts. Carefully unplug the old sensor and avoid damaging the wiring harness. Install the new sensor securely, verifying proper connection to the intake manifold and electrical connector. After installation, clear any diagnostic trouble codes and perform a test drive to confirm proper operation.

Quality Assurance and Warranty Information

Standard Ignition parts are manufactured to meet or exceed OEM standards, providing reliable performance and durability. The AS145 Manifold Absolute Pressure Sensor undergoes rigorous quality control testing to ensure consistent functionality. This part is backed by a limited warranty, covering defects in materials and workmanship under normal use conditions.