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Thread: 52reg 1.8 sxi loss of power when hot

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    Default 52reg 1.8 sxi loss of power when hot

    Hi All,

    Got a problem with my 52 reg 1.8 vectra c sxi.

    In the week i travel about 8 miles to work and the car seems great, full power and nice to drive.

    At weekend or after blasts on the M-way etc when the car is nice and warn the problems begin. If i drive it at around 2k of revs it is ok but as soon as i boot it or drive over 2k revs the revs go mental (put foot down revs dip then waver a bit before eventually giving power) This can happen when doing anything from 20 mph - 70 mph in town driving or on m-way. Really annoying. At idle revs are ok.

    Car has 50k on it and I have recently had full service (plugs, oil change, air filter + fuel filter). The problem was there before service, got slightly better but now very bad)

    Any ideas what i can check / do before taking it to garage?

    Thanks.

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    Regular Member Sean-2.2Direct's Avatar
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    IS it at wide open throttle mate if it is I had this problem on my corsa 3 years ago it turned out to be the MAF Mass Air flow Sensor get that checked out

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    any idea how i can check this? or any other suggestions

    thanks

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    I have recently bought a U480 and read the fault codes.

    This is the only code it found:
    P0036 - HO2S Heater Control Circuit (Bank 1 Sensor 2)

    Any one got any idea where i locate this sensor and is this sensor likely to cause the above problems?

    Also how much are these sensors, is it best to get a genuine Vaux part?

    Is it easy to fit the new sensor myself?


    Thanks

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    also a part number would be good, if anyone knows it.

    thanks

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