Question about 2002 Volkswagen Cabrio

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2002 volkswagon cabrio glx fault code p1582 idle adaption at limit what does it mean and how do you fix

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For the Volkswagen cars the Throttle body is actuated by a motor and sensor. The motor opens and closes the throttle at idle to allow more or less fuel in as needed. Over the miles as the car engine ages and accumulates dirt the Engine control unit has to push the motor rod out a little further to allow more air into the engine. The P1582 code is thrown when the motor of the TB is at its end of travel and cannot go any further. If you are VERY technical and DIY with cars you can possibly clean it but its a laborious task. Here are instructions for a Jetta (you have similar engine) and has its dangers for further damage. http://faculty.ccp.edu/faculty/dreed/campingart/jettatech/p1582/index.htmOtherwise it might be best to have yoru dealer or mechanic replace the Throttle body and clear the code. The repair will require VAGCOM a Volkswagen software program to recode teh ECU and set timing, mixture, etc after eitehr cleaning or replacement. The lin

Posted on Jun 06, 2010

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I used seafoam a lot ran it through and ran the car for 20 miles to get rid o f the smoke. Then the code went away. Works like a champ. I do have a concern it feels like the tranny takes a long time to shift

Posted on May 10, 2017

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I have 2000 VW jetta gls 2.0 and im getting DTC code p1582


Found this on the vw forums:
I've had the p1582 code for a couple weeks now no other codes just the one. My car was getting poor gas mileage and performance suffered a little, but not too significant. I've done the basics (cleaning tb, reseting tps, cleaning maf) to try and clear it, but nothing helped. So what should I do now? sly.gif
The p1582 from my understanding means, that the computers limit to adapt to my idle's air fuel ratiohas been reached. So at idle my engine is running too rich or too lean for my computer to keep up with. I took a look at my short term and long term fuel trims to find that my engine was running very rich at idle, knowing that I need to solve the problem before my cat is damaged and I would have to buy a new one.
Ok so what would cause a rich mixture at idle only and only give me one code? Well since I only had one code I assumed all my comprehensive components were fine, so I moved on to looking for vacuum leaks.
At idle the throttle should be closed and no air should be getting into the engine causing a large amount of vacuum or an absence of ambient pressure (outside air). So this means "unmetered" air is getting into my engine with the throttle closed, causing my computer to try to adapt to all this air by leaving the injectors on longer adding more fuel.
Okay, so where is all this air coming from?
I tried my best to find any possible vacuum leaks in the engine bay, but finding vacuum leaks isn't my speciality. So one of my buds who owns a shop said he would hook up a smoker to it. These smokers are amazing which is why they cost 3,500 or more, not too many people have access to these. We disconnected the brake boosterhose from the throttle bodyand attached the smoker hose to the vacuum port, turned the smoker on and watched........ nothin.......wtf......there was no smoke coming out of any unusual areas of the engine bay. So at this point I'm getting kinda frustrated, until I noticed smoke coming from the passenger side of the car infront of the rear tire. We lifted the car and there it is a huge leak in my evap system. The leak was about three or four holes punched into a plastic vacuum line, yup plastic banghead.gif, coming from my fuel tank to the evap purge valve. I cut the hose and added a rubber hoseto connect the two ends that were cut and bam! no more vacuum leak. After three consecutive trips the code was cleared.
Now I'm not saying this is the solution to any p1582 problem, you might get another code thats paired with the p1582 and that would be helpful because it can tell you which specific sub system is causing the p1582.
In my case i only had the one code which isn't very specific because the vacuum leak didn't cause any components to send abnormal inputs to my computer until the computer could no longer keep up with the engines air/fuel mixture at idle.
I hope this was helpful to at least one person, if you have any air/fuel problems that might be the cause of a vacuum leak I would definitely check out those plastic vacuum hosesthat are UNDER the car EXPOSED to the HAZARDS of the road. biggrin.gif

Mar 04, 2015 | 2000 Volkswagen Jetta TDI

2 Answers

Why is engine light on ?


The 506, 171, and 1582 codes could be due to carbon buildup in the throttle body. Use throttle body cleaner to remove the carbon build up and retset codes. The 0440 code is the evap system code. This is usually a loose or worn out fuel cap.

Aug 23, 2014 | 1999 Volkswagen Beetle

1 Answer

What is fault codes P1582


Type: OBD P1582

That is how you look up codes

Aug 05, 2014 | 2002 Volkswagen Cabrio

1 Answer

Check engine on with code p1582


the code p1582 means Idle Adaptation at Limit. Know more about the car diagnostic tool to check the car.

Nov 02, 2012 | Cars & Trucks

1 Answer

What is code scan p1582 on a 2001 volkswagen beetle?


P1582 Idling Speed Regulation Adaptation Limit Reached

This fault can be caused by several factors, one being a dirty throttle body. Another could be a small vacuum leak. The last could be a loose timing belt. First I would check and make sure the timing belt is not too loose. Very common cause. Then if you are sure that you don't have any broken vacuum lines, and the PCV tube is not torn, then remove and clean the throttle body. Note that clearing the fault will not always keep it from coming back. You will need to disconnect both battery cables, and touch them together, this will cause the ECM to reboot and reset all learned values for idle adaptation. You can then clear the faults. If you fail to clear the learned values the fault will come right back as soon as you start the vehicle. Make sure you have the radio code as you will need to reset the anti theft code on the radio.maybe Super VAG K+CAN V4.8 can help you solve this problem.

Jul 01, 2012 | 2000 Volkswagen Beetle

1 Answer

My vw jetta 98 turns but wont start and also read the obd code p1582 0103 1613 and 1580


P1582- Idle Adaptation At Limit
0103- I believe is a MAF code and that is your air sensing system. could be not getting enough air. this one is not on the list.
P1613- MIL Call-Up Circuit Open/Short To Positive
P1580- Throttle Actuator B1 Malfunction

Here is the link I go the codes from so if you need it for future reference.

http://www.obd-codes.com/trouble_codes/volkswagen/

Jan 23, 2011 | 1998 Volkswagen Jetta

1 Answer

I have a 96 jetta gl and the check engine light just came on and i had it hooked up to a computer and gives the code p1582 can u tell me what this means? thank you


P1582 Idling Speed Regulation Adaptation Limit Reached

This fault can be caused by several factors, one being a dirty throttle body. Another could be a small vacuum leak. The last could be a loose timing belt. First I would check and make sure the timing belt is not too loose. Very common cause. Then if you are sure that you don't have any broken vacuum lines, and the PCV tube is not torn, then remove and clean the throttle body. Note that clearing the fault will not always keep it from coming back. You will need to disconnect both battery cables, and touch them together, this will cause the ECM to reboot and reset all learned values for idle adaptation. You can then clear the faults. If you fail to clear the learned values the fault will come right back as soon as you start the vehicle. Make sure you have the radio code as you will need to reset the anti theft code on the radio.

Sep 22, 2010 | Volkswagen Jetta Cars & Trucks

1 Answer

Have a 2001 vw beetle and a check engine code is t1582


17990/P1582/005506 - Idle Adaptation Limit Reached Possible Solutions
  • Check Fuel Pressure
  • Check Intake System for Leaks (False Air)
  • Check Fuel Injector(s)
  • Check Evaporative Emission (EVAP) Canister Purge Regulator Valve (N80)
  • Check Exhaust System for Leaks
  • Check Secondary Air Injection (AIR) for Leaks
  • Check Vacuum Lines for Leaks
  • Check Throttle Body
Special Notes
  • It may be necessary to remove and clean the Throttle Body and perform a Throttle Body Alignment (TBA)
  • When this fault is stored in the early VW models with the 2.8L VR6 (AAA) and the 2.0L (ABA), it may be necessary to drive the vehicle for a few days for the idle to return to normal after removing and cleaning the Throttle Body.

Jun 10, 2010 | 2001 Volkswagen Beetle

2 Answers

WON'T PASS EMISSIONS


DIAGNOSTIC TROUBLE CODE (P1582 TO P1613) DTC, DTC text, Corrective action. SAE, VAG, P1582, 17990, Idle Adaptation at Limit.

Check intake for leaks, and or loose vaccum hoses.

Sep 17, 2009 | 1998 Volkswagen Jetta

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