Standard Ignition AS150 Fuel Tank Pressure Sensor

Fuel Tank Pressure Sensor Overview

Standard Ignition AS150 is a fuel tank pressure sensor for select Lexus, Chevrolet, and Toyota applications. It monitors fuel system pressure signals used by the vehicle’s evaporative emissions system, helping maintain accurate diagnostics and proper system operation.

Key Features

• Fuel tank pressure sensor for air and fuel delivery systems
• Black external housing with a rectangular female plug-in connector
• 1 connector, 3 blade terminals, and 2 ports
• Mounting bracket included for external installation
• Standard Ignition AS150 direct replacement format

Detailed Description

This Standard Ignition fuel tank pressure sensor is built for vehicles that rely on precise evaporative emissions monitoring. The AS150 uses a single rectangular female connector and male blade terminals for a straightforward electrical interface, while the external mounting design and included bracket support secure placement on the vehicle. It cross-references Dayco 72719 for the same application. Fits 2000 Lexus RX300, N/A, from 10/99. Fits 1998-1999 Chevrolet Prizm, N/A. Fits 1998-1999 Toyota Corolla, N/A. Standard Ignition AS150 is a practical replacement choice when the original fuel tank pressure sensor is no longer reading correctly or the emissions system needs a direct-fit service part.

Common Issues This Part Can Address

• Evaporative emissions fault codes related to fuel tank pressure readings
• Inaccurate tank pressure signal output to the engine control system
• Check engine light concerns tied to EVAP monitoring
• Failed sensor response during emissions diagnostics
• Intermittent fuel system pressure signal loss at the sensor

Installation Notes and Tips

Verify connector style, terminal layout, and mounting location before installation. This sensor mounts externally and uses a plug-in electrical connection, so inspect the harness connector and bracket location for damage or corrosion before transferring the part. Confirm vehicle application by year and model, including the 2000 Lexus RX300 from 10/99 and the listed Chevrolet Prizm and Toyota Corolla applications.

Quality Assurance

Standard Ignition is a recognized aftermarket brand for electrical and emissions-related replacement parts. AS150 is built to match the listed application requirements for fitment and connector configuration.