Exhaust O2 sensor circuit

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GrEy240SX
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Joined: Wed Apr 09, 2003 10:28 am
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Well. I did the self-diagnostic test with my ECU on my 90 240sx. It told me code 33 : which is the Exhaust O2 sensor circuit. I was just wondering where this is and if i could easily replace it?

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rschwalbe
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Joined: Thu Jan 09, 2003 1:54 pm
Car: Weightlifting and my daughter

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It is located just below where the exhaust manifold comes off the engine. It is not very hard to replace at all. Make sure you get the wired one when you buy it!
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GrEy240SX
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thanks...i wasn't sure if it was that or not...thanks for asuring me!! ^^ and i'll be sure to get the wired one!!
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