Car acting funny, looking for help!
Car acting funny, looking for help! In the past few weeks, every once in a while the car will kind of sputter, stumble, or miss at low RPM's ~1200-1800 when accelerating slowly, and pull out of it when I give it more throttle The weird thing about it is that it has only done it in 1st through 4th gears, and It is completely random. Happened maybe 10 times in about 400 miles of driving. Fuel filter and plugs were changed last spring, I pulled a few plugs and they looked fine and the gap was good. This started happening after my new clutch kit was installed roughly 3 weeks ago. 
It doesnt seem like something clutch related, but im really not sure. 
It doesnt seem like something clutch related, but im really not sure. 
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Joined: Feb 2003
Posts: 5,524
Likes: 1
From: The South
What other mods do you have? Mine does something very similer from time to time when accelerating off idle. If I give it too little or too much gas it is fine, but at the right throttle position and engine speed it seems to stumble a little. I havn't worried much about it.
*Oh yeah, it did it before and after my most recent dyno tune and it does it in neutral as well.
*Oh yeah, it did it before and after my most recent dyno tune and it does it in neutral as well.
Last edited by blkZ28spt; Jun 22, 2005 at 10:34 PM.
Originally Posted by blkZ28spt
What other mods do you have? Mine does something very similer from time to time when accelerating off idle. If I give it too little or too much gas it is fine, but at the right throttle position and engine speed it seems to stumble a little. I havn't worried much about it.
*Oh yeah, it did it before and after my most recent dyno tune and it does it in neutral as well.
*Oh yeah, it did it before and after my most recent dyno tune and it does it in neutral as well.
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could be O2's, but it could be a lot of things. i had only 23K on my Z that i bought brand new off the lot and it started acting funny. im really **** about my car, i get pissed when people even get dirt on my carpet ( im the one who spends 8 bucks a wash to vacuum it and crap). anyway, i changed my wires at about 15k and i change the plugs with ngk tr6's every 10k. it was missing so bad i could barely get down my street unlesss i gve it some love. it would run ok at about 3k+ rpms. so, i changed the pcv valve, and it wa a lil better, then put a campbell hausfeld line drier inline with the valve and it was money. weird how that works, but it did...
Originally Posted by black_z
Wouldnt it do it all the time with bad 02's? Or throw an SES?