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  • 02-02-2011, 02:06 PM

    Advice please - '87 635 O2 Sensor

    I suspect I may have a bad O2 sensor which is preventing my car from starting. It turns over and I've checked the fuel pump and relay and they are OK. Is there a way I can either bypass the O2 sensor or test its condition without buying a new sensor. Thank you.

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