JWT Rough Idle - Nissan 350Z Forum, Nissan 370Z Tech Forums
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#1 (permalink) Old 10-27-2004, 01:59 PM
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I have heard (and now experienced) the engine idles a bit rougher with the JWT. Does the MaxGround kit help to smooth out that idling problem?
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#2 (permalink) Old 10-27-2004, 02:04 PM
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I had the POP, no noticeable problem with idle. Doublecheck all your fittings & sensor connections.....if you haven't already.

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#3 (permalink) Old 10-27-2004, 02:09 PM
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No idle problems here, but then again I do have the ground kit installed. Yes, check your connections.

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#4 (permalink) Old 10-27-2004, 02:17 PM
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I have the JWT, haven't noticed anything.

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#5 (permalink) Old 10-27-2004, 02:26 PM
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I will double check the bolts, but I believe that they were on there pretty tight. I didn't disconnect the air sensor when I installed the JWT. What I mean by the a rougher idle, is that it seems to be a little less smooth, like the engine is just maintaining enough to prevent a stall. Maybe it is in my head, I will double check and get back to you guys, thanks for the input, if it is not evident I am still a therfore I really appreciate any help.
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#6 (permalink) Old 10-27-2004, 03:20 PM
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When I installed my grounding kit the idle was very smooth, however when I put the JWT on it seemed as if the idle went back to where it was prior to the grounding kit...Maybe it's my imagination...?

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#7 (permalink) Old 10-27-2004, 04:50 PM
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Just to clarify -I DON't have a grounding kit yet....& noticed no difference. do check the seals around the hose clamps, make sure everything's str8 & tight....my Pop went in 'cocked' at 1st....something like that might cause 'rough idle'...

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#8 (permalink) Old 10-27-2004, 10:51 PM
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After a few months with a K&N Filter and a Hitech exhaust I developed a ruff idle. I took it to Nissan and they reset the idle control using the Consult and it idles perfectly now.

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#9 (permalink) Old 10-28-2004, 10:06 AM
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I've never noticed a difference, but I had my grounding kit on before I installed my JWT. If you recently re-oiled your charger and it's a rough idle, you may have gotten some oil on your air sensor, which would be very bad news.


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#10 (permalink) Old 10-28-2004, 05:07 PM
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Nope, haven't oiled it, just straight out of the box and onto the tube. Things seem to have settled down, it wasn't a terrible idle, but it was definitely a noticeable difference between the stock and the JWT.
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