redep3 Posted June 26, 2012 Share Posted June 26, 2012 Did anyone find out this problem my mum has purchased a 350z on idle it does a small knock every 10 seconds or longer ? If ac is on it doesn't do it and if clutch is pressed down it doesn't either ? It makes the know along with the popping they do on idle maybe it is a rattle and when it pops a lil louder it knocks ? Plz help thank you Quote Link to comment Share on other sites More sharing options...
M13KYF Posted June 27, 2012 Share Posted June 27, 2012 could be cam sensor going faulty Quote Link to comment Share on other sites More sharing options...
Neil Posted June 27, 2012 Author Share Posted June 27, 2012 I found that if I make sure the oil is topped up correctly, the knocking disappears (strangely), so I have been keeping an eye on it. If I notice a knock I add half a litre and it behaves. What's this cam sensor Mike? Thanks Neil Quote Link to comment Share on other sites More sharing options...
docwra Posted June 27, 2012 Share Posted June 27, 2012 If the car is idling lumpy, and switching the AC on stops it, its got to be related to the idle air control IMO. Quote Link to comment Share on other sites More sharing options...
redep3 Posted June 27, 2012 Share Posted June 27, 2012 It seems to be running fine just on tick over that slight knocking oil is topped up its just been serviced by Nissan :s oh and 1 other question when you pull dipstick out why is there like a bit of metal next to the hole to make it difficult to put in and get out its like small silver hard clip or something ? Quote Link to comment Share on other sites More sharing options...
Neil Posted June 27, 2012 Author Share Posted June 27, 2012 It seems to be running fine just on tick over that slight knocking oil is topped up its just been serviced by Nissan :s oh and 1 other question when you pull dipstick out why is there like a bit of metal next to the hole to make it difficult to put in and get out its like small silver hard clip or something ? It's a dipstick guide as it enters on an angle... Quote Link to comment Share on other sites More sharing options...
redep3 Posted July 5, 2012 Share Posted July 5, 2012 Ok brilliant thanks for your help guys, quick question she is going to buy y pipe and cat back system I heard miltek and scorpion are the ones to go for is that correct? And who would you recommend tuners to remap it etc I think I spoke to horsham or something they good ? Quote Link to comment Share on other sites More sharing options...
colindalton Posted July 9, 2012 Share Posted July 9, 2012 I have this too!, would love to know what it was, I noticed if I have my foot resting on the clutch (not pressed) I have "feel" the clunk also!, its coming somewhere from the back of the engine low down, and it stops when the revs are slightly higher - like when the a/c is on, its now starting to drive me mad coz I notice it even more, any one any ideas?? Quote Link to comment Share on other sites More sharing options...
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