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1993 wrx o2 front lambda sensor ,he played plz

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Old 11 May 2019, 06:54 PM
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r33gts2009
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Default 1993 wrx o2 front lambda sensor ,he played plz

so the sensors for these late cars are discontinued or part numbers have changed. I found this on ebay but opie oils also sell it . So I buy and fit wait for the car to warm up and it's starts to run lean .is it the wrong sensor or do I need to de pin an swap wires around .
Could you tell me what the original 3 wires are original black,Red eBay white,white
White black




Thanks
Old 11 May 2019, 07:00 PM
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r33gts2009
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Oh it was a bosch LS50053
Old 11 May 2019, 07:38 PM
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Don Clark
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1993 "Revision A" WRX - 22690AA131
1993 "Revision B" WRX - 22690AA260

The 4th character of the VIN "Applied Model" code determines the revision version

Last edited by Don Clark; 11 May 2019 at 07:40 PM.
Old 11 May 2019, 07:46 PM
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r33gts2009
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Thanks pal , are these bosch part numbers or another brand, I think the two white are heater wires and on black is the signal but I'm unsure of the original.
Old 11 May 2019, 07:55 PM
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r33gts2009
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Thanks Don I've found the colour wires I need , it's been bugging me ages now , will get it done tomorrow ��
Old 11 May 2019, 08:07 PM
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Don Clark
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Originally Posted by r33gts2009
Thanks pal , are these bosch part numbers or another brand, I think the two white are heater wires and on black is the signal but I'm unsure of the original.
Originally Posted by r33gts2009
Thanks Don I've found the colour wires I need , it's been bugging me ages now , will get it done tomorrow ��

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