Standard Ignition AS345 Manifold Absolute Pressure Sensor

Overview of Standard Ignition AS345 Manifold Absolute Pressure Sensor

The Standard Ignition AS345 Manifold Absolute Pressure (MAP) Sensor is designed specifically for Jeep TJ and Wrangler models. This sensor plays a critical role in monitoring engine load by measuring the pressure inside the intake manifold, ensuring optimal engine performance and emissions control.

• Connector Gender: Female
• Connector Quantity: 1
• Connector Type: Plug in
• Terminal Gender: Male
• Terminal Quantity: 3
• Terminal Type: Blade

Detailed Product Description

The AS345 MAP sensor from Standard Ignition features a female plug-in connector with a single connection point, designed for straightforward integration with the vehicle’s wiring harness. It includes three male blade terminals, which provide reliable electrical contact and signal transmission. This configuration ensures compatibility with the Jeep TJ and Wrangler models, maintaining accurate manifold pressure readings essential for engine control modules to adjust fuel delivery and ignition timing.

Common Applications and Problem Resolution

This manifold absolute pressure sensor is used to monitor the intake manifold pressure, which is vital for engine management systems. Installing the AS345 sensor can help address several issues, including:

• Erratic engine idling or stalling
• Poor fuel economy due to incorrect air-fuel mixture
• Check Engine Light triggered by faulty MAP sensor readings
• Reduced engine power or hesitation during acceleration
• Emission control system malfunctions

Installation Notes and Tips

When installing the Standard Ignition AS345 sensor on Jeep TJ or Wrangler vehicles, ensure the connector is securely plugged in to avoid signal interruptions. Verify that the three male blade terminals are clean and free of corrosion before installation. It is recommended to disconnect the battery before replacing the sensor to prevent electrical shorts. After installation, clear any diagnostic trouble codes and perform a test drive to confirm proper sensor operation.

Quality Assurance and Warranty

Standard Ignition manufactures the AS345 MAP sensor to meet or exceed OEM specifications for fit, form, and function. This part undergoes rigorous testing to ensure durability and reliable performance in emission control systems. The AS345 is backed by Standard Ignition’s limited warranty, providing coverage against defects in material and workmanship under normal use.