Need help fast
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Joined: Jan 2018
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Need help fast
Changed plugs, wires, coil on sons 2002 F150, 4.2, while home for Christmas from school. Everything fine until this AM. Started truck - white smoke, rattling sound in engine. Pulled 4 of 6 plugs, all looked like they had oil on them. ???????
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Yes, everything was same oem as previously installed. Pulled plugs, all have antifreeze residue, smell antifreeze at tail pipe. Know for sure there is probably an intake gasket at least but the knocking is what I can't figure out.
Fleet Owner
Joined: Apr 2008
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FYI, if you have antifreeze in the cylinder it can also be a head gasket. The knocking could be from higher cylinder PSI due to fluid being in them, kind of like ignition detonation...just a thought.
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