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Discussion in 'Mk1 Leon Guides (1M) 2000-2006' started by LEE69, Sep 18, 2009.
Of course it will
I tried this on my '01 Leon 1.8 20v non turbo last night and each box said "NA". Have I done something wrong or can the TB not be reset on this engine?
Have you got full vag com?
Yeah, got the full version, although it is an older version, unregistered version wouldn't even let me access the basic settings menu.
Think you can update from ross tech to the latest for free?
Umm, well it's a friend's vag-com and it's not really an official version so may not be possible...
Thank God for the Internet and all the fine people that use it...
I'd noticed that my Leon had started to run progressively worse in traffic over about the last year. The throttle response became jerky and the exhaust note was much harsher. It was really only at small throttle openings though and seemed just fine at all other times, although the fuel economy even on a run appeared to be worsening. I just assumed it was due a service and lived with it. I only do about 3k miles a year so it was easy to forget about.
Today I read this thread (that's been staring me in the face every time I've come here) and thought I'd try the VAG-COM reset. Two minutes later and it's like a different car. The idle is smoother, gentle acceleration is jerk-free and it averaged 5mpg more than recent trips over the usual 30-mile route to visit my parents.
Thank you thank you thank you.
I work with the guy who did that guide - can find out lots of info from him if needs be - let me know people if you need questions answered
do you need full vag com??????
Interesting read , I've just clean my throttle body using carb cleaner from halfords last week, was told by seat mechanic to switch ignition for 5 minutes n then switch it off for a minute den start it again , to b honest I'm not sure way effect this as cause the car felt fine b4 n fine after, if u were to clean it n not align the TB wat will happen to the car is wat I'm worried about ?
Before I had vagcom I cleaned my TB without aligning it and there were no adverse effects. As long as you dont do anything stupid like try to force the flap open you should be OK
Ageed !!! I do same thing once a year n cars feels right as rain , at least I tink dat is sayin
Just did a reset, will drive tomorrow and wait for the results. Thanks a lot for this tip!
Awesome, my 1.8T 20VT drives like new again
I just reset mine via Vag com after I cleaned it, mine drops to 14% on Throttle sen 1, is that correct? doesn't seem to go any lower when the ADP is complete.
Stumbled across these videos to show the difference between the key method and the vag-com/vcds way
If a picture's worth a thousand words, then what's a video worth?
Ignition on + 30 seconds
Actual VAG-COM initiated throttle body alignment + 30 seconds
I first reset mine back in June 2010 (as you from my comment of thanks on page 4).
The car has been very lumpy the last month and I just completely forgot about this procedure lol
But this time I cleaned the throttle body too, and then reset it.
So far so good
Yeah dirt gets to it and it can't sit properly.
I've done this today via vcds and the car runs worse than before. It almost stalls on idle, the throttle sometimes doesn't respond, and when it does it responds too much i.e slight pressure on the pedall = 4k revs. Any ideas?