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Old 04-15-2017, 07:18 PM   #1
ScreeminMach
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Should I be worried?

My 80K 04' Mach started to stumble a bit so I changed the plugs. When I pulled out the second plug from the front of the engine on the drivers side, it was very oily compared to the other ones that looked totally dry like in the attached photo. Is this something that I should I should be concerned about and how did it get so oily? After changing the plugs with a fresh set of Motorcraft SP-433 stock platinum plugs, torquing them to 11 ft Lb's and applying anti seize to every plug, it ran great.
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Old 04-15-2017, 08:51 PM   #2
4a7191a
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Re: Should I be worried?

Looks like the seal on the valve covers showing its age. Maybe check the tightness of them.
Had to re- torque the oil pan on my neighbors truck a while back, stopped the leak.
Worth a shot op.
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