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-   2.0L LSJ Performance Tech (https://www.cobaltss.net/forums/2-0l-lsj-performance-tech-47/)
-   -   Idle problem CURE!!!!!!!! Finally!! (https://www.cobaltss.net/forums/2-0l-lsj-performance-tech-47/idle-problem-cure-finally-116051/)

rnjmur 06-17-2008 04:56 PM

I will see if I can get some pictures. It really is easy, the hardest part is disconnecting the electrical connector from the TB.

umrdyldo 06-17-2008 05:03 PM

I'm not sure on a 2.0 engine but here's the steps for a 2.2 or 2.4.

disconnect negative battery terminal using deep socket or something

Remove part of intake closest to engine. There is screw under the giant black baffle that loosens a clamp.

Remove the electrical clip on the TB. This is done by moving the grey or white C-clip to the side then sliding a small flat screw driver between the clip and the holder on the TB. That's a bad explanation without pics.

There are 4 10mm (i think) bolts that hold the TB to the intake manifold. Remove them

Once free clean and reverse steps

djblass 06-17-2008 06:27 PM

well guys indeed it did work idle is much better now with and without a/c, i don't know if its abnormal but its idling around 1500rpm and it stays their and when the a/c is on drop almost to 1000rpm but other than that pretty good. I didn't disconnect the negative battery terminal and i don't know if thats really necessary or not ? but so far so good.

invisible 06-17-2008 06:29 PM

Same here, I did it and my car idled 100% better!:D

PS. I just cleaned it with some methanol. Didn't see any need to need in buying the cleaner.

06 pursuit gt 06-17-2008 08:34 PM


Originally Posted by msatchmo (Post 2479610)
For those of us who are afraid to tear our new cars apart, could anyone be so kind to post some pics of what i'm looking for?

http://i178.photobucket.com/albums/w...dyedited-1.jpg
the yellow arrows show where the bolts to take off the tb are (there are 4)
the white arrow shows on which side most of the crud will be (at leat it was on mine)
there will be a black cable attached to where the red arrow is pointing, its just cliped on used screwdriveer to unclip.
the "crud" looks something like the stuff thats in the SC in the pict (the black stuff)


Originally Posted by rnjmur (Post 2479821)
I will see if I can get some pictures. It really is easy, the hardest part is disconnecting the electrical connector from the TB.

i didnt disconnect the connector from the throttle body because it was too diffucult so i just cleaned it in the engine bay


HOW COME THIS HASNT BEEN STICKIED YET!!:cssNET:

bgbearcatfan 06-17-2008 08:39 PM

man, you must be color blind :lol:

ViSiONZ 06-17-2008 08:41 PM

Subscribed. Mine is misfiring at idle & threw the P0300 code recently. Think this will help or is that a whole different problem? I'm taking it into the dealership thursday & I might try this if it's still misfiring afterwards.

Altiery54 06-17-2008 08:44 PM

subscribed

qwikredline 06-17-2008 08:50 PM


Originally Posted by 06 pursuit gt (Post 2480606)
http://i178.photobucket.com/albums/w...dyedited-1.jpg
the yellow arrows show where the bolts to take off the tb are (there are 4)
the white arrow shows on which side most of the crud will be (at leat it was on mine)
there will be a black cable attached to where the red arrow is pointing, its just cliped on used screwdriveer to unclip.
the "crud" looks something like the stuff thats in the SC in the pict (the black stuff)



i didnt disconnect the connector from the throttle body because it was too diffucult so i just cleaned it in the engine bay


HOW COME THIS HASNT BEEN STICKIED YET!!:cssNET:

your redline probably has air in the h/e your coolant level is low lol;)

pimpnwink 06-17-2008 08:54 PM

i have a minor occurance of this but also my cruise control doesnt work wtf i think it needs to be flashed but still i mean come on.

06 pursuit gt 06-17-2008 08:54 PM


Originally Posted by bgbearcatfan (Post 2480626)
man, you must be color blind :lol:

haha u got me lol i tried my hardest with the colors ROFL

bgbearcatfan 06-17-2008 08:55 PM

it's alright, good instructions non the less haha

Hockeyman 06-17-2008 09:08 PM

just did this, smoothed out my idle a lot, and no more missfires! Thanks!

arkkornkid 06-17-2008 09:57 PM

as long as you're careful, you don't need to disconnect your wiring.....just put a rag under the TB while you're spraying to protect everything around it. I couldn't disconnect mine and this is how I dealt with the problem.

bgbearcatfan 06-17-2008 10:35 PM

for those of you having hard times disconnecting the wire, keep in mind there is a little clamp that pops off first. I believe it is blue colored and in the shape of a U

Angel 06-18-2008 01:29 AM

How do I get this post STICKIED??? I feel so good that I was able to help out many of you other balt owners out there. Gives me a great sense of satisfaction especially since the fix isnt hard at all. I am newer to this site and I will post pics of my car soon on here after my oil catch tank is installed.

originaladrian 06-18-2008 07:37 AM

i vote for sticky, this is one of the best threads in a while.

Altiery54 06-18-2008 08:49 AM

what did u use to clean the TB?

and i threw a p0300 code the other day which is a cylinder misfire and all my plugs are fine. i am getting different ones however, but could the debris i found in the TB possibley be the reason i threw that code?

originaladrian 06-18-2008 08:55 AM


Originally Posted by Altiery54 (Post 2482524)
what did u use to clean the TB?

and i threw a p0300 code the other day which is a cylinder misfire and all my plugs are fine. i am getting different ones however, but could the debris i found in the TB possibley be the reason i threw that code?

i just used water, a damp towel and elbow grease. mine was REALLY guncky.

got it to look brand new... cant begin to tell u what a difference it made.

Altiery54 06-18-2008 08:56 AM


Originally Posted by originaladrian (Post 2482538)
i just used water, a damp towel and elbow grease. mine was REALLY guncky.

got it to look brand new... cant begin to tell u what a difference it made.

u think it could be why i have misfires at idle? and why i threw that code>?

and any advice on how to get the little electrical plug off cause its a pain in the ass

originaladrian 06-18-2008 09:01 AM


Originally Posted by Altiery54 (Post 2482540)
u think it could be why i have misfires at idle? and why i threw that code>?

and any advice on how to get the little electrical plug off cause its a pain in the ass

not sure abt the misfire. doubt it... but couldnt hurt to try.... clean ur TB and reset ur codes by disconnecting ur battery for 15 min.

to take the electrical plug off you need to take the little plastic clip on the plug off first.. or pull it out, i forgot...

this should be move to general cobalt and stickyed for sure...

Altiery54 06-18-2008 09:04 AM


Originally Posted by originaladrian (Post 2482547)
not sure abt the misfire. doubt it... but couldnt hurt to try.... clean ur TB and reset ur codes by disconnecting ur battery for 15 min.

to take the electrical plug off you need to take the little plastic clip on the plug off first.. or pull it out, i forgot...

this should be move to general cobalt and stickyed for sure...

will do. i turned the code off with my interceptor and let the car run for 30 minutes and no cel popped up but i was running 2 steps colder plugs and i only need 1 step colder plugs so i am going to just wait for my other plugs they should be here 2morow.

DoubleLP 06-18-2008 09:08 AM

I am going to have to check mine out! Thanks for the post Angel!!

originaladrian 06-18-2008 09:09 AM

the main thing i noticed after i did this is that my RPMS dont drop super low and then jump up agian after i rev my car. now its just smooootthhhh.... thanks angel!

07LaserBlueSS 06-18-2008 09:27 AM

WoooHooo sticky! I am def going to try this when I get off work!


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