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O2 Sensor

ford87
ford87
in Ford Fiesta Club

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Hi, I have a 2004 fista 1.2 which has a problem with the o2 sensor bank 1, it says it has a low voltage.

I have changed both sensors as I was not sure which one it was and reset the engine light but it keeps coming back on and staying on.

Any help would be great.

Kris

  • Quote


    Possible wiring problem? Chafed wire affecting the current flow to the sensor?

    Sent from my iPhone using Ford OC

  • Quote
    • Like 1
    • Author

    Cheers darren, I had look to see if anything stood out to me but I couldn't see any damaged wiring.

    Cheers

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