My car has got a werid idleing problem. When I start the car up cold the revs start to fluxuate. Goes up and down a few hundreds. I can hear it and it's freaking me out, last thing I need is another thing to fix.

Some one help me, shed some light on this.

 

yeah that same ***** been happening to me. i'm not sure what it is, but it could be the tps. any info on this topic would be great, i'm about to do a search on it.

 

I've always thought that some fluxuation of RPM's during cold idle is normal, but maybe the IAC?

 

you might have a dirty throttle body

 

it sucks b/c my car will do it for like 5 min sometimes, and when im on the street and pull up to a stolight i swear people thing im doing it on purpose.

 

ok, it seems that it is probibly a vaccum leak, a bad tps will usually result in a check engine light as well, check your vaccum line first and formost.

 

I think it might be the TB because my car only does it for a bit.

 

what can be wrong with the throttle body, and how can t be fixed... can it be removed w/out draining tthe engine coolant?

 

You can buy throttle body cleaner at Pep Boys or something. Tells you how to do it on the can, TB stays on the car.

 

I've had a funny idle for some time now. It sounds like i have a lumpy cam when i have a stock one. I figure it's either my timming or i adjusted my valves too tight.

 

I had this problem, it was fixed when the iacv was cleaned. It is located under the throttle body. Look at part # 13 on this link...
http://www.hondaautomotiveparts.com/...+%28DX%2CSI%29

 

Check yor intake gasker by spraying brake cleaner all around it if your idle fluctuates, than your intake gasket needs to be replaced it also might be an injector seal or a faulty vaccum hose

 

ive had the same problem but there are 2 things to fix it. one you should mess around with the distributor by retarding and advancing timing. two your car is out of timing and needs to be put back on time. it happens all the time to the hondas that ive had because i'd advance timing too much on distibutor

 

Alls fine. It's normal as my car only does it for like 2-5 seconds after a cold start. My mechanic buddy says it's a normal thing.

 

where does everyones car idle at after it warms up ? Im curious because after i start my car an drive for about 5..10 mins.. Mine idles at the very first lil hash mark above the 0.. i'd assume its lik 250 rpm or somthin ? I dunno.. Car sounds lik its not even on when it idle's.. but it runs fine.. and never bogs or dies.

 

damn, i have the same problem..but i think mine is worse, becuase i goes from 1000 to 1300 rpm when its warming up... then after 3 o 4 minutes it goes back to normal...so what else could it be?

 

My 94 vx hatch started doing it today in traffic. The car is fully warmed up and the idle bounces from 1000 rpm to 1300rpm three or four times when I stop. Then it stays at 1000 rpm. Has anyone figured out a solution yet?