Walker 225-1093 Fuel Tank Pressure Sensor

Fuel tank pressure sensor overview

Walker Products 225-1093 is a fuel tank pressure sensor built for vehicles that need accurate evaporative emissions system monitoring. It is a direct-fit replacement for select Chevrolet, GMC, Buick, and Pontiac applications, including Silverado 1500 and Impala fitments.

Walker Products has supplied fuel system and engine sensor components since 1946, with manufacturing and engineering processes focused on OEM-level standards. The 225-1093 part number is supported by Walker Products' application data and technical documentation for the listed fitments.

Key features

• Fuel tank pressure sensor for evaporative emissions system monitoring
• Direct-fit replacement for listed applications
• Built by Walker Products, a long-running fuel system and engine sensor manufacturer
• Application coverage includes Chevrolet, GMC, Buick, and Pontiac models
• Cross-references Delphi FG0070 and Standard Ignition AS506 for the same application

Detailed description

Walker Products 225-1093 is designed for vehicles that rely on a fuel tank pressure sensor to report pressure changes in the fuel system. That signal is used by the vehicle's emissions diagnostics to identify leaks and verify system operation. This part number 225-1093 is listed for 2004-2008 Chevrolet Avalanche 1500, 2005-2007 Chevrolet Silverado 1500, 2006-2007 Chevrolet Impala, 2006-2007 Chevrolet Monte Carlo, 2007 Chevrolet Silverado 1500 Classic, 2007-2008 Chevrolet Avalanche, 2007-2008 Chevrolet Express 1500, 2007-2008 Chevrolet Uplander, 2007 Buick Terraza, 2007 GMC Savana 1500, and 2008 Pontiac Montana.

Walker Products positions this sensor line around OEM standards and application accuracy, backed by in-house manufacturing and engineering support. If you are replacing a failed fuel tank pressure sensor on a Chevrolet Silverado 1500, Chevrolet Impala, or another listed application, this part number 225-1093 provides a cataloged replacement path.

Common issues this part may address

• Check engine light related to evaporative emissions faults
• Incorrect fuel tank pressure readings
• EVAP system leak detection errors
• Diagnostic trouble codes tied to fuel system pressure sensing
• Failed sensor output affecting emissions monitoring

Installation notes and tips

Confirm the vehicle year, make, and model against the fitment list before ordering. This sensor is cataloged for the listed applications only, and the fitment data should be matched to the exact vehicle configuration in your application lookup. Use the vehicle service information for removal and replacement procedures.

Quality assurance

Walker Products states that its fuel system and engine sensor products are manufactured to meet or exceed OEM standards and specifications. The company is ISO 9001 and IATF 16949 certified, and supports its parts with product management, engineering, and technical documentation.