2009 Maxxforce 7 low power no codes.

Mechanics Hub Forums Bus & Coach 2009 Maxxforce 7 low power no codes.

This topic contains 2 replies, has 2 voices, and was last updated by  AndyJr 1 year, 11 months ago.

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  • #44515 Reply

    AndyJr
    Participant

    Hello, We have a 2009 CE200 bus that after you drive for 20 minutes go to low power but no codes. Turbo actuator failed test, replaced turbo ass. no luck, sent the shop they said EGR and new injectors, no luck so I have it back. while test driving for 20 minutes it feels like you loose boost, it will downshift to try and maintain 60 mph but slowly falls to 35-45, slow to take off. I have take the DOC and DPF off and cleaned. All I have is OTC HD Reader to work with, But no Codes to check. Any Ideas would be helpful.

    #49866 Reply

    John Whelan

    This is a very late reply to your question but it sounds like either turbo boost loss as in a blown hose for example or a stuck on exhaust brake actuator. Please share what you found.

    #51087 Reply

    chuck vann

    any luck? I have one doing the same thing. spent way too much money with shops, still doing same thing. Identical to your desription.

    Thanks

    #51092 Reply

    Francisco Garza

    Check your Charge air Cooler for plugging usually get coked up…

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