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Help 940 turbo cuts out on full acceleration? 900

posted by  someone claiming to be mbuk_matt on  Wed Jun 9 15:01 CST 2004 [RELATED]

Hi i have just brought a volvo 940 turbo wentworth estate automatic it cruises nice but when i put my foot down on the motorway it cuts out with no power so then i have to take my foot of the accelerator then put it back on to get power, but when i put my foot down at low speads or out of a junction i have no problems can someone help me
thanks








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    Help 940 turbo cuts out on full acceleration? 900

    posted by  someone claiming to be Mark on  Sat Jun 19 17:05 CST 2004 [RELATED]

    Check the intake hose from the air filter( mass airflow sensor) to the turbo. I would think it may have a hole in it that opens up upon full throttle.








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    Third vote for a hose ... 900

    posted by  Kane on  Thu Jun 10 06:23 CST 2004
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    A small hole or slit ... holds fine under vacuum or low boost, but opens up when pressure is applied.

    -- Kane
    --
    Blossom II - '91 745Ti/M46 ... Bubbles - '74 144GL/BW35 ... Buttercup - '86 245GL/AW70 ... The Wayback Machine - '64 P220/M40








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    Help 940 turbo cuts out on full acceleration? 900

    posted by  kbmehrens on  Thu Jun 10 05:33 CST 2004
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    last visit: Fri Jan 13 10:31 CST 2012
    [RELATED]

    I second the Turbo hose idea. It may not have a holes but just be old and weak, they tend to get oil in the bottom of them and weaken and collapse when full pressure is aked for. Same happend to my 92 740 and when I replace the hose it was fine.








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    Help 940 turbo cuts out on full acceleration? 900

    posted by  rstarkie on  Thu Jun 10 00:44 CST 2004
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    last visit: Fri Oct 24 10:14 CST 2014
    [RELATED]

    Sometimes a blown turbo hose will exhibit the symptoms you have. They are not always easy to find. I would remove and inspect closely all of the hoses from the turbo to the intake very carefully looking for tears or splits.

    Randy








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    Help 940 turbo cuts out on full acceleration? 900

    posted by  rjk on  Wed Jun 9 15:27 CST 2004
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    last visit: Sat Dec 12 12:30 CST 2009
    [RELATED]

    Start out by dumping the OBD codes and see if anything shows up (see the FAQ on how to read the codes)

    http://www.brickboard.com/FAQ/700-900/EngineOBDCodes.htm

    then get back to us with the results.
    --
    Bob Kraushaar '94 945T, '91 940T(retired), '88 240, '84 242Ti, '94 F-150, '88 300TE, '89 560 SL, '68 Shelby GT-500 KR







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