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Renault scenic 1.6 16v auto 2002 loss of power but still running

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  • Paul Day
    Paul Day Oct 16, 2013

    Thank you all, it seems to be the cat converter blocking up, all other things have been eliminated, touchwood.

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    _-__-___-_ Oct 16, 2013

    pull front O2 sensor, attach low presure gage here, 2psi max at 2500rpm is the max cat back pressure, from most 1.6L (we use and old car car vacuum gauge it has psi scale for carb fuel pressuer that make this test easy and even has cone fittings to do it.

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    _-__-___-_ Nov 08, 2013

    ditto x2 , is the transmission slipping, ? does check engine light in dash glow,key on and then go out running?

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    _-__-___-_ Nov 08, 2013

    the cat is easy to test for thie, with one gauge, remove front Oxy snesor. then attached a pressure gage , start car, less that 2 PSI, from idle to 2500rpm. , all store bought Vacuum gage tools have this , low pressure side, just for this test.

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    _-__-___-_ Nov 08, 2013

    http://www.fixkick.com/tools/vactool1.jp...

  • _-__-___-_
    _-__-___-_ Nov 08, 2013

    sold in all autostores in USA dirt cheap, and no need to break exhaust bolts, backing off the exh parts to run open headers .

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Loss of power or or is it staying in 1 gear eg.3rd?

Posted on Nov 08, 2013

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A tune up fixes most ignored engines.

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SOURCE: auto box oil change Renault Scenic, gearbox stuck in park

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