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Marvel Mystery Oil In Fuel Tank? 200 1988

posted by  Michael Littman on  Sun Mar 7 13:33 CST 2004
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last visit: Tue Oct 14 16:49 CST 2014
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I think the pre-pump in my '88 240 is going. I have been putting a few ounces of Marvel Mystery Oil per fill up in the tank. This seems to quiet the clicking noises a little bit. Is this just my mind or does this stuff help...or perhaps hurt? It will be a few weeks before I can address the pre-pump, due to cash flow issues, should I leave well enough alone and leave the MMO out of the fuel?






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New Marvel Mystery Oil In Fuel Tank? [200][1988]
posted by  Michael Littman  on Sun Mar 7 13:33 CST 2004 >


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