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Old 03-01-2002, 08:15 PM
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Mike Murrell Mike Murrell is offline
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Join Date: Feb 2000
Posts: 2,357

There's no way that a properly torqued spark plug will foul due to a faulty valve cover gasket. Most plugs are torqued to about 15 ft. lbs. I suppose that it's possible that a leaking valve cover gasket could get oil on the resistor tips that mount on the spark plug, thereby causing the spark plugs to misfire, but this is a different situation. Oil cannot get in from the outside. If you plugs are oil fouled, you have worn piston rings, valve guides; valve stem seals.
Mike Murrell
1991 300-SEL - Model 126
M103 - SOHC
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