EZL problem?

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EZL problem?

Beitragvon olie92 » 17. Mär 2015, 13:50

Dear fellow member,

Sorry for asking questions in English.

My car, 2.5-16v with auto transmission, seems to be slow to respond at low rpm. The car starts with no issue cold or hot, while idle at around 1000rpm, steadily. But when i kick down/push all the throttle, it slow to respond, as if the gear starts from gear number 2 not, and changes gear at 4000rpm. But continuing all the way after ward, the respond is much better at higher rpm.

After reading this forum, the symptoms seem similar fellow member here, shaq i think, that has EZL issue. I also found out that I had the wrong EZL for 6cyl engine in place, but when I changed to 4cyl EZL problem persists (parts pics below).

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My questions are as follow.

1. Do you think this is EZL issue? Do I have the right EZL module?
2. EZL module for 2.5 16v is specific and cannot use other 4cyl EZL? Some people are saying ok to use one from latter generation 4cyl 190e. Also, any difference between auto and manual EZL?
3. I have browsed some used EZL on ebay. How would I know it is in good working condition? The ones on ebay have part number 006 545 38 32, would they be the right part?

Any insight is highly appreciated.

cheers,
Olie
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Autos: 190e 2.5 16v auto

Re: EZL problem?

Beitragvon ausmNorden » 18. Mär 2015, 10:40

Hello Olie,

some years ago i changed my 2.5-16v from automatic transmission to manuel trans.
I should have the right EZL in my garage and i will look for it this evening.

As far as I know, the first gear of the auto transmission is restricted to max. rpm less 1000 to 1200 rpm, cause of the oil distribution inside of the gearbox and converter.
The gearshift from first to second gear in case of a kickdown should happen at around 5800 to 6000 rpm. Also the engine/gearbox should response at once in case of a kickdown.

There is a book called Mercedes Tabellenbuch, in which some types of EZL are listed according the right type of engine and transmission.
Maybe you are lucky to find it via Google, cause i don´t have this book. ;)

Greetings
Stephan
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Re: EZL problem?

Beitragvon olie92 » 18. Mär 2015, 15:16

Many thanks Stephan. I found some on ebay but not sure if this is the right book...http://www.ebay.de/itm/Tabellenbuch-Mer ... 3aa4ea47b2

Also Stephan, do let me know of the EZL and pm me please. Would be keen to have one, at least for spare. thanks!

Cheers,
Olie
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Re: EZL problem?

Beitragvon ton » 19. Mär 2015, 18:04

Hi Olie,

as far as I know you definitely need a specific EZL for 16 valve models. 8 valve EZL or any other 4 cylinder EZL wont work properly I think.
I am not quite sure, but I think there are even different EZL for 2,3 (ECE and non-ECE) and 2,5 versions. So, be careful picking the right EZL ;-)

Regards,
Ton
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Re: EZL problem?

Beitragvon olie92 » 20. Mär 2015, 11:41

Noted that Ton, many thanks.

Cheers
Olie
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Autos: 190e 2.5 16v auto

Re: EZL problem?

Beitragvon KlausH » 21. Mär 2015, 09:15

A page of the book "Neuerungen Personenwagen August/September 1988 und Modelljahr 1989":
Du hast keine ausreichende Berechtigung, um die Dateianhänge dieses Beitrags anzusehen.
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Re: EZL problem?

Beitragvon olie92 » 21. Mär 2015, 14:16

Great info, Many thanks. Would it be correct to assume this is for LHD 2.5 16v? Got info that for RHD 2.5 16v, EZL part number is 008 545 48 32.

Cheers
Olie
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Re: EZL problem?

Beitragvon ausmNorden » 23. Mär 2015, 09:37

Hi Olie,

sorry for the late reply.
I don´t have any EZL left in stock.

Greetings,
Stephan
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Re: EZL problem?

Beitragvon olie92 » 24. Mär 2015, 02:34

No worries stephan,thank you. I think I saw some with the correct part number on ebay german.

Cheers,
Olie
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Autos: 190e 2.5 16v auto


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