mercedes e270 loosing power.

[zvibis]

hi guys.. I would like to now maybe somebady can explain me whats means "Charge pressure is to low". my car dont have power when i driving faster for 80 miles.And when i stop's and turn the engine off and then again on, its going well, till i going faster for 80 miles its loosing power again. i have been on diagnostic and its says 'charge pressure is to low.' whats that???

 

[BlackC55]

It's the boost pressure from the turbo. You may have a boost leak. Can you hear a hissing noise under full load?

 

[zvibis]

nope there is no noise.. how i can find out if there is any leek?