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Old 02-01-2003, 08:58 PM
JoeB JoeB is offline
Registered User
Join Date: Nov 1999
Location: Germany
Posts: 63
amazing - my 420SEL has exact same symptoms - took it to MB dealer after posting similar thread in shopforum, and they replaced the O2 sensor - which did nothing for the surge (bounces from 1300 up to 1500 when coasting) or fuel economy - so I'm back to square one - there has to be a common answer out there somewhere ....

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