What if there is oil in the pipe under the throttle of Audi a4l?

There is oil in the pipeline under the throttle of Audi a4l. Relax. This is normal, but it is not normal if there is too much oil. Too much oil wastes gas oil and cross oil. The test standard is to unplug the exhaust pipe and wipe it with a clean napkin. No oil pollution is the best, a little oil pollution is allowed, and a lot of oil pollution is a fault.

The cleaning method of throttle valve is as follows:

Step 1: Prepare the tools. 10 small wrench (remove the battery terminal), large Phillips screwdriver (remove the air inlet elbow), T30 internal wrench (remove the throttle), and a bottle of carburetor cleaner.

Step 2: Remove the throttle inlet elbow.

Step 3: Unplug the throttle harness plug.

Step 4: Remove the throttle body.

Danger of not cleaning the throttle:

1. Unscheduled cleaning will lead to wrong throttle opening.

Second, it will cause air with impurities to enter the engine combustion chamber.

These two results lead to abnormal engine operation, mainly manifested as unstable idle speed; Sudden and instantaneous stall at high speed (the feeling that the throttle suddenly closes); Power drop; In severe cases, it will cause difficulties in starting and increase fuel consumption.