High BLM

[tatoGN]

Hi, got a problem with blm.It goes from 115 to 160.
Can not find any vacuun or exaust leak.Help please.
Thanks.

 

[Ttype6]

Hi, got a problem with blm.It goes from 115 to 160.
Can not find any vacuun or exaust leak.Help please.
Thanks.

Does it do move back and forth to these two numbers while idling with no movement of the throttle?
Does the idle move up and down when these numbers change?