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  1. #1
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    850 t5 saloon cutting hesitation at 4000 rpm in 3&4

    Just got 850 t5 saloon yesterday and i put an mbc on last night. The car seems to hesitate then jump at around 4000 rpm in 3rdand4th.

    Any ideas?

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    Most likely that your overboosting..

    Remove the MBC


    Gun Metal Grey - Volvo 850R - Saloon
    Thanks to Russ and team www.rtmechanics.co.uk

  3. #3
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    or underfueling

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    Bang turned boost down and now its fine. Cheers lads.

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    pop a boost gauge in the car and see what boost you running helps set the mbc up..

  6. #6
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    Already got one first thing i did before the mbc went in.


 

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