12 the anti-slip fault light of the pilot throttle engine is on.

It seems that many car owners have encountered this problem. Engine fault light, throttle fault light, 4WD! The light and the anti-skid light are on at the same time. 4S brush fault code continues to appear in the range of 100KM after being eliminated. I went to 4S to check again, and the first fault code appeared. 4S asked me to change the throttle valve of 2350 yuan each, but I didn't change it! Clean up. Opening the air inlet, I found that