Note. On F9Q engines, a fuel temperature sensor is installed, which is connected to the fuel injection system control unit. The sensor must be removed with absolute cleanliness.
Removing
1. The sensor is located on top of the fuel pump. Before removing it, thoroughly clean the top.
2. Place a cloth under the pump and on the generator.
3. Remove the three pump cover bolts. To remove the 4th bolt, use the Bosch tool 0986 612 605. Remove the cover.
4. Loosen the two cap screws and remove the sensor. Clean the electrical contacts of the sensor.
Installation
1. Install the sensor and tighten the bolts securely.
2. Clean the gland contact surface of the pump top and cover. Install the cover and bolts, then tighten them to the Specifications effort.