Question about 2003 Ford Focus

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Car loses power when it gets to about 80Mph

I have a Focus 1.8 TDDC 03 plate. When i reach about 80mph it seems to lose power. It feels like the Turbo is being shut off. It still drives but theres just no power there. As soon as i turn the engine off and back on again it drives fine again. I think it may be the air sensor but i dont no where it is. Any advice you can give me would be much appreciated. Thanks

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  • yadayada
    yadayada May 11, 2010

    This has a turbo?

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The boost controller works by vaccum pressure on some turbo engines and if it loses vaccum to the controller it dumps all turbo pressure out exhaust instead of intake. I would check that if it were me. It could be the mass air flow though it is located in the breather tubing somewhere between filter and the intake manifold.

Posted on Dec 10, 2008

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Posted on Jan 02, 2017

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