very bad hesitation....
05-19-2007, 09:06 AM
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very bad hesitation....
i seem to be getting some really bad hesitation lately. 1st gear feels ok but once i get into 2nd and above it feels really laggy. sounds a little like its struggling. i am throwing a code for my o2 sensors but i have tp on the car and didnt think it would be a problem. any suggestions? could it be the plugs maybe? or should i buy some non foulers?
05-19-2007, 12:18 PM
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did check the codes...bad o2 bank and whatever. ive seen the codes before and they have been there the whold time with no problems. it feels like there is some misfiring. basically lately there is no power before 3k rpms. and im getting a bad gas/oil smell. damn i miss warranty.
05-22-2007, 01:49 PM
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90,XXX miles, its bad right from the start up. like when i take off from a light, (normal) it revs all slow and laggy... As far as a compression test, not lately. been a little broke and it sux. but as im driving if i punch it, i can feel it kind of bucking. very lightly but i can feel it.
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05-22-2007, 02:31 PM
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Perhaps a bad batch of gas or fuel filter related.
05-22-2007, 02:42 PM
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Originally Posted by CG350z
How hard is it to change your own fuel filter?
05-22-2007, 02:45 PM
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Originally Posted by vo7848
I haven't had to replace the one on my car as of yet, but have done plenty on other vehicles. It's fairly simple though. A few hand tools and some rags.
ill check the hoses and stuff. another thing is the car itself sounds a bit louder. like the intake and exhaust is more throaty for some reason. ( i have a popcharger, test pipes and a y pipe and its changed a good bit since installation ((and i know its not just breakin))) im just keeping my fingers crossed that there is a cheap way of taking care of this.
05-22-2007, 02:49 PM
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Originally Posted by cracka350z
and one of the O rings...(that rubber thingy) i did it on my spec V and didnt get one and had to ghetto rig it. it wont fit back after...
Originally Posted by cracka350z
ill check the hoses and stuff. another thing is the car itself sounds a bit louder. like the intake and exhaust is more throaty for some reason. ( i have a popcharger, test pipes and a y pipe and its changed a good bit since installation ((and i know its not just breakin))) im just keeping my fingers crossed that there is a cheap way of taking care of this.
05-22-2007, 02:56 PM
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Originally Posted by vo7848
Perhaps a bad batch of gas or fuel filter related.
05-22-2007, 02:58 PM
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I'd hit that filter up then, especially with 90k miles on it....
Could be the plugs also, but I'd imagine the filter would be the lesser of 2 evils.
Could be the plugs also, but I'd imagine the filter would be the lesser of 2 evils.
Last edited by VO...; 05-22-2007 at 03:04 PM.
05-24-2007, 11:07 AM
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The fuel filter on VQ35 is a non-serviceable piece. It's built into the fuel pump. I suggest hooking the motor up to a vacuum gauge to verify you don't have a vacuum leak. It's a simple and cheap test.
05-24-2007, 11:38 AM
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Originally Posted by Dave B
The fuel filter on VQ35 is a non-serviceable piece. It's built into the fuel pump. I suggest hooking the motor up to a vacuum gauge to verify you don't have a vacuum leak. It's a simple and cheap test.
I was unaware of this, being I've never had to pull the pump or filter on the Z as of yet.
05-24-2007, 11:43 AM
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Originally Posted by Dave B
I suggest hooking the motor up to a vacuum gauge to verify you don't have a vacuum leak. It's a simple and cheap test.
+1 good call... i have been talling him already i have a feeling it could be a vaccum leak
05-24-2007, 03:57 PM
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Originally Posted by IIQuickSilverII
+1 good call... i have been talling him already i have a feeling it could be a vaccum leak
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