so when i changed my oil in my teg my car started revving between 1500-2000 rpm

the car prior to this had not had an oil change for a LONG time when i drained it it was pure Black the oil filter is not even made anymore it was sucked onto the motor

now everytime i start my car it will fluctuate till warm

i doubt the car had any maintenance done on it that was routine so a vlave adjustment falls out of place.

i am going to be doing a valve adjustment is it possible that an adjustment would fix the problem

Already cleaned the TB and all the sensors has new plugs and plug wires

 

bump

 

Double check the vacuum lines, do a valve adjust, and clean the IACV/FITV.

 

Sounds like you knocked a vacume hose off. Wouldn't be a valve adjustment.

 

there isnt any vaccum leaks

i checked the valve clearences today and they need to be adjusted for sure

but i know its not a vaccum thing because it did it first when i changed the oil than stopped for a week now did it again i checked the hoses but ill check again to be sure

 

Bump my a1 do the same **** it's annoying I got to check the vacuum seals

 

I only mentioned valve adjust because I've seen wacky things happen when valves are out of spec. ALso, he said no maintenance, so it wasn't a bad idea. Like I said double check lines, that's the most likely thing, something slightly loose when you changed the oil. Otherwise, since you want to do all around maintenance, clean the fitv/iacv. Get some good plugs and wires and maybe a cap rotor too, just to know all the tune up has been done.

 

like i mentioned i already cleaned the fitv and iacv it has new plugs and wires.. ill do a valve adjustment monday cause this car is rarely driven

 

it is possible that the iacv is faulty. though it does sound more like issues with the fitv, since you say it idles fine when warm
another possibility is the coolant temp sensor. you can test resistance of it, first cold, then hot. see if it falls within spec

 

But a valve adjustment won't cure a improper idle speed. It's quite easy to knock a hose loose when changing the filter.

If it's an intermittent problem then it is most likely a sensor or valve (iacv) problem.

 

Does this ALWAYS happen? Does the idle only change when you turn your lowbeams on? My idle fluctuates when I stomp on the brake or turn on my headlights (alternator draws power and adjusts idle). It could possibly be something electrically connected?

My girlfriends car does the same thing and I really wonder what it is. =(

 

no like i said it stopped doing it for a week than started doing it again...

 

try checking the code(s). even though the cel may not be illuminated, a code may still be stored. when it's acting up, use a multimeter and check resistance of the coolant temp sensor.
it could even be a bad o2 sensor. which would likely throw a code

 

i checked for codes no codes

 

Sorry, missed the part about the wires. Just said cleaned TB, didn't know if you included those two things in that. Definitely do an adjust, coolant been bled?

 

sounds like iacv is bad if it only does it until warm up. bleed coolant like said and if not, try another iacv.

 

i just replaced the clutch on my ctr and now it does the same thing. but once its warm and idle is steady i can give it a little throttle and it'll jump around for a few seconds. i have a feeling we're both having problems with the iacv. isn't there an adjustment screw on the iacv though? like on the back side where the connector is? i cant see back that far underneath the thing.

 

It doesn't do it now but ill be replacing it soon Iill let u knoe

 

something else i noticed too was when my idle is steady its at 1200. i know thats high but could that make the iacv jump around like its doing? i've got an old iacv off my d series i'm gonna try this weekend.

 

there is a screw on the Throttle body that you can adjust the throttle plate inside, have you tried to turn it to see if it helps lower the idle?

 

i haven't messed with that screw but i did adjust the throttle plate stop under the linkage. that was my original idle problem. i'll see how it reacts to that change.