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2003-2009 Nissan 350Z

Rough Idling

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Old 03-08-2006, 09:32 AM
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drewlwsn
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Default Rough Idling

I have a 2004 MT Z with 25,000 miles. I have noticed that it idles rough at a stop. I always use 93 gas and have tried those worthless engine cleaner things that you are supposed to put in before filling up the tank. These never correct the problem. Any ideas or tips on how the get the idling the smooth out?


Thanks!
Old 03-08-2006, 10:12 AM
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ANXIOUZ
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It's normal. The Z has a bumpy idle.

Some people say grounding cables can help but personally I doubt it.
Old 03-08-2006, 10:33 AM
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bOmberO_Z
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Yea, I have grounding cables, they don't work, there was this huge reply and stuff about them. They are purely asthetic
Old 03-08-2006, 02:12 PM
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spacemn_spiff
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Mine doesnt idle rough.
Old 03-08-2006, 02:21 PM
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imseksy
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^^ they probably put an altima engine in your Z by accident =)
Old 03-08-2006, 03:39 PM
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milanista
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Originally Posted by bOmberO_Z
Yea, I have grounding cables, they don't work, there was this huge reply and stuff about them. They are purely asthetic
Oh man, now you've done it...You opened up this can of worms again....
Old 03-08-2006, 07:45 PM
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SB Track
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Mines rough at times too. 04 Track bought in December 04 with only 5000 miles.
Old 03-08-2006, 07:47 PM
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BlueBlur
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On no! Not the grounding wires issue. The Z's idle does bonce a little...nothing big...normal...relax....
Old 03-08-2006, 11:08 PM
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KIKILALA825
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i have the same issue as well, was worried but i guess i was not the only one.
Old 03-09-2006, 10:44 AM
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350Zylow
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put a power commander in it, that helped my bike with the rough idle.
Old 03-09-2006, 12:43 PM
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KIKILALA825
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donno if this issue only happens on AT?? or it occurs on MT as well?
Old 03-09-2006, 02:38 PM
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FairladyZX
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There should be a recall on it too.
Old 03-09-2006, 03:26 PM
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JonsilvZ
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My Z has 29k miles now. At idle its almost silent. Even with the Injen exhaust. Also i drive it hard.
Old 03-10-2006, 07:49 AM
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ANXIOUZ
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This isn't about sound, it's about stability. Does your idle peg at 700rpm and not waver at all? Mine jumps up and down a bit randomly.

I have an old BMW and the idle on that doesn't move at all. Pegged at 500rpm.
Old 03-10-2006, 01:17 PM
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zero0 2 sixty
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mine idled rough found out some engine mounts cracked
Old 03-10-2006, 01:33 PM
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spacemn_spiff
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Originally Posted by imseksy
^^ they probably put an altima engine in your Z by accident =)
Altimas also come with VQ35DE.
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