4W km, do you need to clean the throttle and oil circuit?

Need to clean the throttle and oil circuit.

1.( 1) The throttle is usually washed once every 10,000 kilometers.

(2) The oil circuit is generally cleaned once every 40,000-50,000 kilometers.

Second, the throttle itself cleaning steps:

(1) Buy a bottle of carbon cleaning agent from a reliable source, generally ranging from 50 yuan to 100 yuan;

(2) Open the front hood, find the engine and air cleaner tube, and loosen the hairpin screw near the engine side of the air cleaner tube. Now you see the electronic throttle connected to the engine;

(3) Spray the cleaning agent on the electronic throttle, wipe it with deerskin cloth, repeat the operation, and clean the parts that are difficult to wipe with cotton swabs;

(4) Turn the car key to the on position and continue to wipe it until the black substance inside is cleaned;

(5) dry for a while after wiping;

(6) Finally, reinstall and tighten the air filter tube hairpin, and the cleaning work is completed.