Schley Tools – 12150 - 27mm 12-Point Duramax Fuel Rail Pressure Switch Wrench 11100 One example is using a

One example is using a long socket ½”-drive extension as a drift to knock something loose

GM® and other domestic vehicles

There is also a 3/8 square drive built in the handle to provide extra torque when needed

unless the EGR cooler and heat shield are removed first

Efficient Sensor Service: Simplifies the often intricate task of working with oxygen and fuel sensors

Schley Tools – 12150 - 27mm 12-Point Duramax Fuel Rail Pressure Switch Wrench 11100 One example is using aThis tool is designed to remove the fuel rail pressure sensor on the 2006 to 2010 DURAMAX LBZ and LMM diesel engines. Located in the rear end of the right fuel rail under the EGR cooler. The sensor cannot be removed with conventional tools unless the EGR cooler and heat shield are removed first. Using this uniquely designed wrench one can remove the sensor without removing all of these components, saving valuable time. Saves more than 1 hour depending