Traditional Culture Encyclopedia - The 24 Solar Terms - What happened to the Hummer h2 speed bucket?

What happened to the Hummer h2 speed bucket?

Cause of idle jitter: The throttle body is too dirty, so clean the throttle.

The air inlet leaks, so check the tightness of the air inlet.

EGR valve opens at idle speed.

The fuel injector leaks oil or is blocked.

Ignition or spark plug failure

Single cylinder pressure is insufficient.

I hope you have a good trip.