2000 e430 4matic ec light help

[benzisolid]

the ec light came on, and i cant really afford to go to the dealer, plus it challenges me to find the problem and then take to the shop.

please advise how to diagnose the fault

thank you

[manny]

Consider this a start.
http://www.iequus.com/item.asp?cid=10&pid=3100

[benzisolid]

i think there is built in diagnostic in the car, that is the help i am looking for

[sokoloff]

Start with this thread http://www.peachparts.com/shopforum/showthread.php?t=86110
and I've got one more to look up for you that may help.

Len

[sokoloff]

Here's the other post - http://www.peachparts.com/shopforum/showthread.php?t=101570

Len