Neither. If you put ether in a modern diesel engine, you'll ruin the tips of the injectors.
An air intake filter is what blocks dust particles from entering into you engine. It is an air purifier which cleans the air your engine takes in.
intake air filter for the motor is in the intake filter housing, passenger side of the engine bay, has hook clips you need to release to get to the filter element
The fuel filter is on the passenger side of the engine under the intake
Connects air filter and engine.
The intake gasket is the gasket that conncects from your air filter into your intake manifold
It's in the bottom of your engine air intake tube between your engine air filter and the engine
Open the hood of your Audi. To the left side you'll see the engine intake filter. Just above that and behind is the cabin air filter. It's easier to see if you remove the engine intake filer.
It is in the air intake hose, going from air filter box to engine. It is closer to the air filter box then the engine.
I believe it is on the backside of the engine air intake tube ( between the engine air filter and the engine throttle body )
= Fill in the blanks- an air cleaner is a filter at the base of the air intake to keep out solids particles = = = = = = Air cooled engine is an engine with fins on the cylinders for cooling purposes?" =
Fuel filter is located under the intake manifold and bolted on the engine block.
to the right in the engine hiding in a box the stock air intake. The intake box unclips.