Walker 254-1034 Fuel Injection Fuel Rail Pressure Sensor

Fuel Rail Pressure Sensor for OE-Style Fuel Control

Walker 254-1034 is a fuel injection fuel rail pressure sensor built to measure high-pressure fuel in the rail and send accurate input to the engine control module. It is an OE replacement part for gasoline and diesel applications where precise fuel metering, emissions control, and stable drivability matter.

Compatible With select Audi and Volkswagen applications, including 2005-2009 Audi A4 Quattro, 2007-2010 Audi Q7, and 2006-2008 Volkswagen Passat. Walker 254-1034 is engineered for direct-fit replacement and OE-level electrical and connector matching.

Key Features

• Measures fuel rail pressure for ECM fuel management
• OE replacement design for gasoline and diesel engine systems
• Matches OE pressure range, electrical output, and connector configuration
• Blade terminal type with D-shaped connector
• Female connector with male terminal, 1 terminal
• Built for high temperature, vibration, and fuel system pressure exposure
• Direct-fit installation with no modifications required

Detailed Description

The Walker fuel rail pressure sensor helps the ECM monitor fuel pressure so injection timing and fuel delivery stay within specification. This matters on vehicles such as Audi A5, Audi Q5, Audi R8, Volkswagen CC, and Volkswagen Touareg, where accurate rail pressure feedback supports smooth operation and emissions compliance. Part number 254-1034 is built to align with OE specifications for fit, output, and connector style, making it a practical replacement for a failed sensor.

This part cross-references Bosch (e.g., 0261545053, 0261545054) for the same application.

What It Is Used For

• Fuel system fault codes related to rail pressure readings
• Poor fuel economy caused by incorrect pressure feedback
• Hard starting or extended crank conditions
• Rough idle, hesitation, or drivability concerns
• Emissions-related issues tied to inaccurate fuel metering

Installation Notes and Tips

Verify connector shape, terminal style, and sensor location before installation. This sensor uses a D-shaped female connector with blade terminals and a single terminal layout. Confirm vehicle-specific fitment for your Audi or Volkswagen application, including 2008-2010 Audi R8 front and 2005-2009 Audi A4 Quattro located on the fuel pump.

Quality Assurance

Walker Products engineers this sensor as an OE replacement component and tests it for durability under fuel system pressure, vibration, and temperature extremes. Part number 254-1034 is built for consistent performance and long-term reliability in the listed applications.