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Thread: Two fault codes-- Any ideas?

  
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    ace275's Avatar
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    Two fault codes-- Any ideas?

    P0105 -- Manifold Absolute Pressure/Barometric Pressure Circuit Malfunction
    P0130 -- Oxygen Sensor Circuit Malfunction (Bank 1 Sensor 1)

    Any ideas?
    Astra Sold! Now its back! Sold Again! Who knows whats going on!

    Currently Running MK1 1.8 MX5 with LSD awaiting boost, and a Red UK DC2

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    the MAP sensor has failed and the pre-cat lambda sensor has gone 'out of range'. should be a simple job to renew both and reset the ECU. just ensure the lambda is a quality bosch unit and not a cheaper universal type. i use either http://www.lambdapower.co.uk or http://www.autovaux.co.uk

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    nry's Avatar
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    I wonder if the MAP sensor error could cause the lambda one? I'd be inclined to try this first before changing both, as the lambda is an emission sensor, and if the intake pressure is not reading correctly this could throw the emissions off enough to kick the lambda error up?

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    ill give it a go. mot is under 2 weeks so ill need it for the emissions test
    Astra Sold! Now its back! Sold Again! Who knows whats going on!

    Currently Running MK1 1.8 MX5 with LSD awaiting boost, and a Red UK DC2

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