Om651 no boost p0045

[gaylordn]

How do I fix this e car is c220 no boost when flooring

 

[onefortheroad]

Have error codes read and go from there. This goes for any problems in the future.

 

[ajlsl600]

Or buy car with no diagnostics socket!!

 

[gaylordn]

Switched boost pressure sensors but still the scan tool is recording open circuit. Could it be actuator

 

[onefortheroad]

Who knows ? Could be a split pipe . Did you change the map sensor ?

 

[ajlsl600]

Or buy car with no diagnostics socket!!

No electronics, obd or any other kind of f plug in. Hence likely running costs predictable

 

[ajlsl600]

N if it gets wet inside its cos I didn't get roof up in time, ie my fault. Not some dh in design office organising water drain failure to run into my electronics. One may ask if that's deliberate?

 

[supernoodle]

ISO description is quite clear,
P0045 Turbocharger/Supercharger Boost Control Solenoid “A” Circuit/Open.

An open circuit is an electrical fault with the device mentioned or circuit controlling it. Get the multimeter out and check supply and wiring integrity.

Suggest some searching too

C220 CDI Boost Pressure Error

Quick question. A few months back I had random 'loss of power/turbo' symptoms. Several on these forums suggested the MAF sensor. As it didn't happen again I never got it checked out, until a dealer service last week, when I mentioned it and got it checked out. Apparently the computer logged...

forums.mercedesclub.org.uk

 

[tpn]

Switched boost pressure sensors but still the scan tool is recording open circuit. Could it be actuator

open circuit is electrical, either in the wiring or in the unit itself