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2012 Ford Focus 1.6 tdci power loss and underboost

Fezzle21
Fezzle21
in Ford Focus Club

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Hi 

Need some help

Bought a 2012 Focus as a project it's a mk3 1.6 tdci on a 12 plate. Issue I have is I purchased the car was told it had a blocked DPF. Dpf been removed and EGR blanked and switched off.

Still having issues where it revs up really slow and has no power really struggles getting up a hill and throws error Turbo underboost. So I've replaced turbo with a known working one and still the same. All boost pipes and intercoolers checked all ok have replaced air and fuel filter still same.

Any suggestions as I'm at a loss now.

 

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    Update 

    Looks like someone has been tinkering about with it before I had got the car so just wondering if it could be a issue now where the vacuum hoses for EGR are in wrong place?

     

    Anyone have a guide for this?

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