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Boost Issue with 2011 2.0 Ecoboost (240bhp)

JamesSvr6
JamesSvr6
in Ford S-Max Club

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Afternoon All & thank you in advance for any comments on what my issue could be.

The engine is the same as the one in the 2011 ST so may also post this on that discussion too.

 

The car currently does not create boost (or cannot due to a control system)

I have taken the car to two different garages and they have not been able to diagnose the cause.

Boost control solenoid has been bench tested and works correctly.

Turbo actuator has been manually tested and works as it should.

A vacuum leak smoke test has been done in various places and no leaks were found.

The garage does not think that the turbo is the issue.

 

The garage has informed me that there seems to be no vacuum when the engine is running to control the turbo actuator. I am not familiar with the nitty gritty of this particular engine however have a good general understanding of most bits.

 

Does anybody know if there is more than one boost control solenoid?

Where is the vacuum pump on this engine?

 

I would really appreciate any info you may have on this as its our only car and becoming rather urgent to fix!

Vehicle is on 125k btw.

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