EML confusion

Been having a few issues with the micra as of late, the eml light turned on, took it to the garage, they checked the codes for me - it came up as the o2 sensor.... a change of both lambdas later and the lights still on...even after being cleared, so im looking for a codereader for my car, but the Nissan consult ones say they are 14pin obd, as far as im aware I think mine has a obd2 port as its a coilpack? Can anyone confirm this and point me in the direction of a good value code reader...as there are thousands on ebay and I don't know which to get?
 
Have you changed your plugs recently? If yes, and its an NGK made in France, thats the problem. Replace it and everything will be to normal.

The coilpacks has issue with them plugs.

Regards
 
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