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    Thread: Fualt Code P1582 ? Idle adaptation at limit

    1. 04-01-2004 01:22 PM #1
      I have a 1996 Golf GL and it will not pass the Emissions test my emission report spit out a P1582 Code. How do i Clean the throttle body? And where is it located, what does it look like? what will this cost me? what the hell is a TPS? is it a Throttle position sensor?

      EZRA...



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      04-01-2004 01:47 PM #2
      Common error code.

      If you follow your air intake pipe from the left hand side of the engine bay where it creeps up to the manifold, this is where the throttle body is.

      Just take off the air intake pipe from the throttle body and open the butterfly valve and clean the inside of your throttle body. The error code you get is typically from a build up of carbon that is preventing the valve from either openeing or closing all the way.

      You will want to use carb cleaner. Open the butterfly valve and spray away and use a Q-tip or whatever will reach inside. When I cleaned my throttle body, I did not even remove it from the manifold, I just held the valve open and sprayed inside and cleaned. When I fired up the car, the car ran like crap for about 10 seconds while the engine burned up the cleaner that made it inside but after that it ran super smooth.

      Here is a link that might help http://forums.vwvortex.com/zerothread?id=116613


      Modified by TigerII at 9:56 AM 4-1-2004


      Modified by TigerII at 9:59 AM 4-1-2004


    3. 04-01-2004 01:57 PM #3
      Just so its clear... you want to take the throttle body off the car before you clean it

    4. Senior Member VDoubleUVR6's Avatar
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      04-01-2004 02:38 PM #4
      Quote, originally posted by vwtuning »
      Just so its clear... you want to take the throttle body off the car before you clean it

      I cleaned mine with it on the car. Then I did an adaptation with the VAG COM. No more CEL and works nice.

      Bruno

    5. 04-01-2004 02:39 PM #5
      ive cleaned it on the car.... just left the TB in the open position to let it air out before it started..

    6. Member twopointoh's Avatar
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      04-01-2004 02:59 PM #6
      I just checked that link that was posted a person on there said leave are car running? how does that work, its not right is it. Also, what are the recomendations for brands, and how much do you use..I think I need to do this to my car also..thanks
      ...........

    7. Member twopointoh's Avatar
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      04-01-2004 03:03 PM #7
      sorry one other question, what was that post about the vag com adaptation?
      ...........

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      04-01-2004 03:12 PM #8
      After cleaning my throttle body (TB) I never had to do a idle adaption with the VAG, I just left the negative cable to the battery off for 20 minutes to reset the CEL and allow the car to relearn the idle when I put the neg cable back on.

      I guess I did not read the link I posted but if it says to leave your car running, DON'T LEAVE YOUR CAR RUNNING!

      As to the amount you spray into your TB, just spray as much as it takes for you to scrub out the carbon buildup. Remember that all the cleaner you spray will be going into your cylinders and will be burned up when you start your car again, so I imagine you don't want to go over board with the cleaner (like a whole can or something) because you don't want to prevent the combustion process from happening with a buildup of some foreign chemical. Just don't be alarmed when you start your car and a cloud of smoke comes flowing out of your exhaust and your engine will run lumpy for about 10-15 seconds, your engine is just burning up the TB cleaner you sprayed in

      As for TB cleaner brand I used whatever I found at Kragen, something like $2 a can.

      Quote, originally posted by twopointoh »
      sorry one other question, what was that post about the vag com adaptation?



      Modified by TigerII at 11:17 AM 4-1-2004

    9. Member twopointoh's Avatar
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      04-01-2004 03:21 PM #9
      thanks for the reply, one last question, did he just use the VAG COM cause his CEL was on?..cause mines not on, I just thought since I was bored today that I could clean my tb.
      thanks
      ...........

    10. Senior Member VDoubleUVR6's Avatar
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      04-02-2004 10:03 AM #10
      Quote, originally posted by twopointoh »
      thanks for the reply, one last question, did he just use the VAG COM cause his CEL was on?..cause mines not on, I just thought since I was bored today that I could clean my tb.
      thanks

      Yea I had a CEL. But after cleaning it I just did an adaptation to speed up the learning process of the car. I guess you can clean it and then the car will see that it now has to adapt to the extra air going in since its not as gunked up and it'll learn. I know in my dads passat, the throttle position sensor was also messed up and the car would even adapt with the vagcom and the car ran like crap with a higher then normal idle and being it was an Auto trans, when coming to a stop was harder since it wanted to keep going. So we ended up buying a new throttle since you can replace the throttle postioning sensor and the car works mint.

      Also i noticed yesterday driving home from work....I turned the AC on along with the heat because the windows were starting to get foggy. And driving in traffic I noticed that when the car was rolling the idle would jump to 2k rpm when not in gear and then when it came to a complete stop the idle would go back to normal. This only happens when the AC is on....so I'm thinking that since the CEL this past winter something must have happened because last summer it wasnt like that when I used the AC.

      Bruno

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      04-05-2004 05:07 PM #11
      I cleaned my TB yesterday. Please take off the car. Four bolts and the accel cable, thats it. My first time doing it and I didn't need the Bentley. My 98 has 130k on it. There was no way to get all that gunk out w/o taking it off. I would have lossened up a lot of it and it would have gotten into the intake. My 2 cents.

      I also did the whole dunk the MAF in alcohol.

      I just ran it for a bit and the CEL shut off on its own after about 20 miles. I used a VAG to get the code but not to reset.


    12. 04-15-2004 04:41 PM #12
      CEL was on, checked the codes, I had O0171 (Running too Lean)& a P1582 (Idle adaption at limit). Checked out VWVortex.com, searched for P1582 (Yes, I know...I used the search function ), found this thread and tried what you guys suggested.

      Went to AAP, bought some Vavoline Throttle body(TB) cleaner ($5). I was going to remove the TB and clean it but Chiltons suggested a seal replacement if you did that so I cleaned it in place, pulled a bunch of carbon build up near the flap and cleaned it out resonably well, let it sit for an hour or two.

      Reset the CEL and it has worked flawlessly since. Thanks to all my fellow VDubers out there!!

      edit: 1st Post BTW, Love the Site, I will be visiting often!


      Modified by DUBLISHUZ at 8:43 PM 4-15-2004


    13. 05-05-2004 07:48 PM #13
      yep. mine just failed smog for p1582. now im just going to put on my tmtuning throttle body now that i have a reason too and clean the old one, wish i had read this $50 ago. oh well. thanks guys

    14. Member BumblebVR6's Avatar
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      05-05-2004 08:54 PM #14
      Honda sells good throttle body cleaner.

    15. Junior Member RidanMk4's Avatar
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      08-29-2011 08:06 PM #15
      Thank you saved me a huge amount of time and I'm glad it's not A fuel issue....

    16. Junior Member RidanMk4's Avatar
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      08-31-2011 07:36 PM #16
      Car has same problem, throttle is clean, drove today for 3 hours died as engine bogged out. Any other things for a quick fix?

    17. Junior Member RidanMk4's Avatar
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      09-03-2011 08:57 PM #17
      Needed to be hooked up to vagcom. Car runs great!

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