Please Help: Rough Idling problems on my 92 Ls DA with a 94 LS engine Non-V-tech
07-07-2008, 02:12 PM
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Please Help: Rough Idling problems on my 92 Ls DA with a 94 LS engine Non-V-tech
Hi everone and thanxs for helping me with my problem if you can. I have a 94 LS engine with a skunk 2 manifold.
As i was saying: i have a rough idling problem. When the car is hot it runs and idles fine but when its cold it starts idling roughly back and forward like its gasping for air badly when i drive the car.The weird thing is that when i stop and park my car with the motor running it stops idling. And i can't just warm up the car before i drive it because when its cold at night and i drive the car all the cold air blows into the engine bay and cools down the motor really fast and the thermostatic gose down to cool/cold really fast. Please Help me i'm dying here i can't figger out the problem.
Here is the list of things i have tryed.
Cleaning idle control vavle with brake cleaner and after that didn't work tryed it with curb cleaner.
bleeding radiator untill fan turns on
swaping idle control vavles just to see if it makes a differents.
If you can Please give me some advice on this problem. Thanxs
As i was saying: i have a rough idling problem. When the car is hot it runs and idles fine but when its cold it starts idling roughly back and forward like its gasping for air badly when i drive the car.The weird thing is that when i stop and park my car with the motor running it stops idling. And i can't just warm up the car before i drive it because when its cold at night and i drive the car all the cold air blows into the engine bay and cools down the motor really fast and the thermostatic gose down to cool/cold really fast. Please Help me i'm dying here i can't figger out the problem.
Here is the list of things i have tryed.
Cleaning idle control vavle with brake cleaner and after that didn't work tryed it with curb cleaner.
bleeding radiator untill fan turns on
swaping idle control vavles just to see if it makes a differents.
If you can Please give me some advice on this problem. Thanxs
07-10-2008, 10:03 PM
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Re: Please Help: Rough Idling problems on my 92 Ls DA with a 94 LS engine Non-V-tech (xaznstylerace
thanxs i'll try that tommrow and non v-tech meaning I don't have V-tech
07-12-2008, 04:45 AM
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Re: Please Help: Rough Idling problems on my 92 Ls DA with a 94 LS engine Non-V-tech (xaznstylerace
replacing the pcv valve didn't work thanxs for the help though
07-12-2008, 04:53 AM
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Re: Please Help: Rough Idling problems on my 92 Ls DA with a 94 LS engine Non-V-tech (xaznstylerace
Check all your vacuum hoses. Another thing to check is your MAP sensor, and change your O2 sensor
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07-12-2008, 05:49 AM
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its your fitv fast idle thermo valve. turn your car on the put you finger over the bottom hole in the throttle body if it idles fine then replace your fitv
07-12-2008, 12:35 PM
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Re: Please Help: Rough Idling problems on my 92 Ls DA with a 94 LS engine Non-V-tech (xaznstylerace
Thanxs ever1 for the info i'll try all those things today 
07-12-2008, 02:05 PM
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Re: Please Help: Rough Idling problems on my 92 Ls DA with a 94 LS engine Non-V-tech (xaznstylerace
Thanxs ever1 for the info i'll try all those things today
07-12-2008, 02:07 PM
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Re: Please Help: Rough Idling problems on my 92 Ls DA with a 94 LS engine Non-V-tech (xaznstylerace
can some show me a link with pictures on how to hook on the vacuum lines. I wanna know if i did it rite
07-12-2008, 03:19 PM
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Re: Please Help: Rough Idling problems on my 92 Ls DA with a 94 LS engine Non-V-tech (xaznstylerace
where is the fit vavle for a 94 LS motor?
07-12-2008, 05:43 PM
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easiest way to find it is on the iac valve there are two coolant lines on leads to the water neck on the back of the engine and the other to the fit valvel usually under the throttle body either attached to it or in the intake manifold under the throttle body
but regardless before all that take your intake off and plug the bottom hole while it is cold and see if it idles at 750 and if it does you either block off the fitv or replace it
Modified by deftonerider at 6:51 PM 7/12/2008
but regardless before all that take your intake off and plug the bottom hole while it is cold and see if it idles at 750 and if it does you either block off the fitv or replace it
Modified by deftonerider at 6:51 PM 7/12/2008
07-12-2008, 06:06 PM
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Re: (deftonerider)
kool thanxs for the info HONDA-TECH PPL ARE THE SHT MAN GOOD LOOKIN OUT I'll BUMP HONDA-TECH ALL DAY MAN 
i'll try take waiting for my car to cool down for now
I'll BUMP HONDA-TECH ALL DAY MAN i'll try take waiting for my car to cool down for now
07-19-2008, 04:26 PM
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Re: (xaznstyleracerx)
thanxs for all the help guys i fixed it with was 2 things the ICV and the vacuum lines where all jacked up thanxs ever1 for there help
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