Standard Ignition AS139 Fuel Tank Pressure Sensor

Overview of Standard Ignition Fuel Tank Pressure Sensor AS139

The Standard Ignition Fuel Tank Pressure Sensor AS139 is designed specifically for Toyota Tundra models. This sensor plays a critical role in monitoring fuel tank pressure to ensure optimal engine performance and emissions control.

• Compatible with Toyota Tundra vehicles
• Part number AS139 for precise identification
• Measures fuel tank pressure accurately
• Helps maintain proper evaporative emissions system function
• Direct replacement sensor for reliable fit and function

Detailed Product Description

The AS139 Fuel Tank Pressure Sensor from Standard Ignition is engineered to provide accurate pressure readings within the fuel tank system of Toyota Tundra trucks. By monitoring the pressure, it helps the vehicle’s engine control unit (ECU) regulate fuel vapor emissions and maintain efficient fuel delivery. This sensor is essential for the proper operation of the evaporative emissions system, preventing fuel vapor leaks and ensuring compliance with environmental standards. The sensor’s design allows for a direct fit replacement, minimizing installation time and ensuring consistent performance.

Common Applications and Issues Addressed

• Prevents check engine light activation related to fuel system pressure
• Helps resolve fuel odor issues caused by vapor leaks
• Improves fuel system efficiency and emissions control
• Addresses drivability problems linked to faulty pressure readings
• Supports proper evaporative emissions system diagnostics

Installation Notes and Tips

• Ensure vehicle is turned off and cooled before installation
• Locate the fuel tank pressure sensor on the fuel tank or vapor line
• Disconnect the battery to prevent electrical shorts
• Remove the old sensor carefully to avoid damage to surrounding components
• Install the AS139 sensor securely and reconnect all electrical connectors
• Clear any diagnostic trouble codes after installation

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications, ensuring reliable performance and durability. The AS139 Fuel Tank Pressure Sensor undergoes rigorous quality control testing to maintain consistent accuracy and longevity. Warranty coverage details can be obtained from the product documentation or authorized distributors.