Jerking It Back N Forth? Updated...found The Issue.

[allthewaytotheskyline]

lately my car has been jerking back n forth between 1000 and 3000rpm and is getting annoying...

it only happens on the low revs, as when the boost kicks in it pretty much goes away...its a r32 with rb20det....

no mods other then r33 turbo, front mount, exhaust, safc...10psi boost....just began doing it lately n wasnt always like that!!!

GOT ANY IDEA'S????

THE IGNITOR PLUG WAS LOOSE AND WAS MAKING RIDE ROUGH AND AS THOUGH IT WAS RUNNING ON LESS CYLINDERS....

FIXED NOW...BUT ON IDLE REVS SEEM LIKE THERE MISSING...GOT ANY IDEA'S??

Edited April 19, 2008 by allthewaytotheskyline

[sl33py]

Nice thread topic lol. Take it to a mechanic.

[allthewaytotheskyline]

i need to know whats going with my car...its stuttering between the low revs but as soon as boost comes on it goes away...also it comes n go's...

[jake33]

lol

[4drftn]

what does your car idle at? does it idle high every now and then? does it only do this when car is idleing high?

my car does it when ideling high, it idles high when the wheather is colder, best take it to a mechanic as thats what i will have to do.

i suspect in my case it could be my TPS or CAS, because i have already eliminated the AAC by cleaning it.

probably try cleaning AAC see if it fixes the problem.

[allthewaytotheskyline]

idles perfect...could it be a dirty afm??? it only happens once the cars bee driven around for a lil while...eg 20 min..

[WHITEBEAST]

I am having a similar problem as well, after it has been driven around for a little while. It starting to get worse, started off as a intermittent problem. If I hold my foot on break and put a little load on it at 2000 rpm while driving, I can feel it surging. I was on the pathway of a sensor as well.

Please Read my blog.

http://www.skylinesaustralia.com/forums/blog/whitebeast/index.php?

Edited March 16, 2008 by WHITEBEAST

[WHITEBEAST]

If anyone needs the full servie manual for the R32 GTR, I have it in *.pdf format.

If you can make sense of it, lol. It's not that bad.

[Nick033]

im no mechanic but air flow meter mabye???

[r32woohoo]

Check your ecu for error codes

[r33cruiser]

do the revvs kick up when accellerating?

[GeeTR]

Could be many things. I would start making sure your TPS produces the correct voltage at idle (foot off throttle)

The spec's in the workshop manual for your car, you'll need a multi meter obviously.

[allthewaytotheskyline]

ok quick update...it was the ignitor pack plug...it was kinda loose!!!! fixed now....

although revs seem like its missing a tiny bit....during idle....could be afm??

[4drftn]

how did you find out the ignitor pack plug was loose? did you take it to a mechanic?

[allthewaytotheskyline]

i was fiddling with the coil packs and unplugging them 1 by 1 and seeing which was supposidly faulty...then when i fiddle with the ignitor i realised the plug was slightly unclipped...so i pushed it in tight n hopped in n bobs ur uncle...all good

[R33GOD]

im glad you stopped jerking