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Check your Alphard’s past history in Japan with detailed reports from CarVX.

Oxygen sensor

Marky mark
in Toyota Alphard Club Forum (2002 - 2008)

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Hi my car has failed its mot on emissions so I've took the oxygen sensor out to clean and noticed it was very loose where i have highlighted the photo the whole part can turn while the nut stays in place is this faulty i have ordered a new one just incase 

Screenshot_20240701_124003_eBay~2.jpg

That sounds correct, otherwise it would be a right PITA to tighten up as the cable would be spinning around. It will be a compression fitting that seals when tightened up, in the same way an olive does on a copper pipe. 

Hi I changed one on our yaris and it doesnt rotate- thats why you need a special socket with slot in to remove

    • Like 1

    Agreed. It sounds broken to me. Mine is fixed solidly in place. Sounds like you've got an easy fix.

     

    Also surprised your van fails emissions without the Check Engine Light coming on.

    • Author

    It's failed twice now on emissions the check light never came on I'm hoping it's the faulty oxygen sensor that's causing this new one ordered coming Saturday

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    https://uk.alphardclub.com/forums/topic/8015-oxygen-sensor/
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