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Old 01-30-2003, 02:42 PM
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MTI MTI is offline
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Join Date: Nov 2002
Location: Scottsdale, Arizona
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MB thought that the sensors would last about 60K, so spending a $40 bucks every 60K seems like a worthwhile endeavor. If you're not experiencing any hesitation on acceleration or less than satisfactory gas mileage, chances are your O2 sensor is working nicely with the mixture computer and should probably be left alone.

I've not had a problem with aftermarket sensors in my other cars and I don't think Bosch had some special design on the MB fitted ones. If you search, you'll find that Ford Mustang 5.0 litre V-8's use the identical three wire Bosch part, but without the MB premium price.
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