oxygen sensor choice?
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  1. #1
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    Default oxygen sensor choice?

    Wonder what the difference between a non generic and a car specific O2 sensor is (apart from price)?
    Looking at replacing one for the R19 which is a Bosch @ about $130.- vs Oxygen Sensor O2 Sensor 3 Wire Universal | eBay.
    Did ask the vendor that question but had no reply.

    Any AF knowledge is much appreciated!

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  2. #2
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    hi Jo Bo,
    There are at least 4 types of sensors, perhaps more now. Unheated, heated, With seperate earth wire, then the latest type broadband. Identified by the number of wires firstly. So important to match the type. As far as I know the threads are all the same.

    second thing is the connecter. Every bloody manufacturer uses a different connecter. A generic sensor has the wires and you cut the connecter off and crimp the wires to the new one. Not rocket science not supposed to solder them !!
    Cheers Jaahn

  3. #3
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    Hi Jaahn,
    Thanks for that advise! Didn't know that they are not supposed to be soldered why? Can't remember what i did when i changed them on the MR2 2/3 years ago. I think i soldered the connectors (bought the sensors from Amazon). Seems to be working OK
    I know about the number of wires and wideband (don't need that one).
    "The enemy of knowledge is not ignorance, it's the illusion of knowledge"
    Stephen Hawking

  4. #4
    1000+ Posts Haakon's Avatar
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    Cheapest ebay universal ones I could get always worked fine on the R21....

  5. #5
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    Thanks Haakon! I'll buy that. If i bought one from Ripco it would cost $160.- which is more than i'd get for the car.
    "The enemy of knowledge is not ignorance, it's the illusion of knowledge"
    Stephen Hawking

  6. #6
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    Installed a universal O2 today and it fixed the miss (like an ignition breakdown) at 1900/2000 RPM under light load. Anyway, the old one did last for 180,000km + but fuel consumption did creep up. I think the idle is about 50rpm lower with the new part as well
    Cost $36 including postage vs. about $130 for a Renault specific one (Bosch i think)from the net and $160 from RIPCO.
    "The enemy of knowledge is not ignorance, it's the illusion of knowledge"
    Stephen Hawking

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