Thread: 87 300E runs great but mpg suddenly bad
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Old 12-14-2005, 09:24 PM
MikeF MikeF is offline
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Join Date: Sep 2005
Posts: 22
When mine did that I replaced the O2 sensor and the problem was solved. How old is your sensor?
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Mike

89 300E 175k (sold and missed)
89 Porsche 911 / 3.6 V-ram / #94

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