Quote:
Originally Posted by Spooler
If your issue is only at idle you need to look at the radiator fans. Make sure they are kicking up to high speed at idle and they are both working. You could test these with Nissans Consult. Not sure how you would do it without the Consult tool. Uprev or Ecutek may be able to do it.
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Definitely worth checking before taking more drastic measures.
A non-contact tachometer will tell how fast the fans are spinning (may be able to borrow one at a parts store). Not sure how fast they are supposed to turn but that info may be in FSM. Or compare to another Z.