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Old 03-13-2001, 10:06 AM
jimSF jimSF is offline
Registered User
Join Date: Jan 2001
Location: San Francisco
Posts: 26
Hi folks,

Last night the check engine light came on on my 95 S420 (105,000 miles). Is there a way to know which component or sensor might be malfunctioning without taking the car to the dealer?

thanks for your thoughts!

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