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  1. #1
    Reverse Gear

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    Post cat 02 sensor

    Hi Guys,

    Can anyone tell me what the function of the post cat 02 sensor is?
    Apparently mine is knackered, but haven't gotten around to replacing it as yet.

    Current upgrades: FRC remap, Forge DV, Forge TIP

  2. # ADS
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  3. #2
    s3_kev's Avatar
    Stage2'd!!!!!!

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    its to check that the cat is working and doing its job and also makes sure the front 02 sensor is also making the cat work correctly and fueling is correct.
    the 1st 02 sensor is to do the mixture for the fuel

  4. #3
    Reverse Gear

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    So it shouldn't affect drivability in any way?

    Current upgrades: FRC remap, Forge DV, Forge TIP

  5. #4
    s3_kev's Avatar
    Stage2'd!!!!!!

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    thireticly no but sometimes they can, what sort of drivebility isues do you have??? if you have a fault code on a certin area its always good practice to sort out the fault 1st prior to doing further investigation on a fault that might not be there once the 1st fault is fixed,
    it could be the cats failed and has caused the sensor to flag up a code too.

  6. #5
    Reverse Gear

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    Cool thanks

    Current upgrades: FRC remap, Forge DV, Forge TIP

  7. #6
    HTC
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    6th Gear

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    Just checks Cat efficiency. Won't effect running, but you'll get the check engine light.

    Emmissions stuff. Cars with consciences :-)

  8. #7
    Reverse Gear

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    Ok cool, haven't received any check light, dunno if that's cos the S.A models are different.

    Current upgrades: FRC remap, Forge DV, Forge TIP

 

 

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