Diesel filter on a landcruiser?
The diesel filter on a Toyota Landcruiser is on the right, immediately after the battery. It is easy to access and easy to replace.
The diesel engine Citroen C3 have the fuel filter located in the engine bay, under the air intake pipe to the air filter. There are some pictures on this forum post: http://citroenc3owners.com/diesel-c3-tips/how-to-change-the-air-filter-on-a-citroen-c3-1-4-16v-hdi-t80.html and some instructions to remove the diesel filter here: http://citroenc3owners.com/diesel-citroen-c3/changing-the-diesel-fuel-filter-t102.html The petrol engine Citroen C3 has a filter in the fuel tank that lasts the life of the car.