how many oxygen sensor in 1993 nissan 240sx

Asked by Dec 23, 2014 at 07:23 PM about the 1993 Nissan 240SX 2 Dr SE Convertible

Question type: Maintenance & Repair

I had 1993 Nissan 240SX, my smog check was failed
Do I need to replace a new oxygen sensor and or new EGR ?
Any one in this chat room, please give me some advise ?
thank you very much

1 Answer

237,695

You need to scan for the codes first, can I assume the CEL is on? Any local auto parts store will scan it for you for free. Post the 4 digit code back here and we can help further. No sense in replacing parts you don't have to.

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