Jumping RPM Needle at Idle

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rodburg
Posts: 21
Joined: Mon Nov 12, 2007 6:04 pm
Car: 2003 Infiniti I35

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hey guys,

I have an 03 I35 with 140k on the odo, at idle my rpm needle floats back and forth very slightly ,, is it something to be worried about ? Thanks,

Rod E.

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maxhopper
Posts: 4364
Joined: Mon Nov 10, 2003 10:43 am
Car: 02 Maxima SE 6spd
Location: Kentucky

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It could be a vacuum leak.
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NutriaforBreakfast
Posts: 1316
Joined: Wed Sep 26, 2007 1:41 pm
Car: Nissan Maxima 1995 VQDE engine

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The erratic idle is the toughest thing to diagnose

Start with the floor shop manual

My guess on my car is usually the emissions control equipment
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