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Old 05-23-2007, 09:03 AM
Join Date: Aug 2005
Posts: 13
Default 1991 190e check engine light

my car is a 2.3 and other than an idle problem, it seems to run fine. When the engine gets to normal operating temperature, the check engine light comes on.. What may the problem be?
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Old 05-24-2007, 11:00 PM
Super Moderator
Join Date: Feb 2006
Posts: 893
Default RE: 1991 190e check engine light

It could be nearly fifty different things. You will have to have the car tested. You could buy a book like the "E-class owners bible" 86-95 and bench-test "some" basic components yourself, if you are mechanically inclined, and up to the job. Sometimes it is a major component that you can bolt-on, but other times it be a fine-tune adjustment that requires the mother-ship etc.

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Old 05-25-2007, 03:57 PM
Join Date: Aug 2005
Posts: 13
Default RE: 1991 190e check engine light

thanks for all the replies, i just purchased the book on ebay.
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Old 05-25-2007, 03:57 PM

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