Cliff1 Posted August 29, 2007 Share Posted August 29, 2007 Gs300 63K miles...Started mis-firing. Took it to dealer. They said Spark plug on #6 cyl was damaged...something hit it and broke the electrode and ceramic off. (I heard it ratling for awhile). They cranked the pistons...nothing came out of the cyl. They replaced all plugs. 1 week later, same thing happened on same cyl. Its in the shop now. Any clues? Quote Link to comment Share on other sites More sharing options...
rickgus Posted August 29, 2007 Share Posted August 29, 2007 Ouch! No clue, but hope ya figure it out. Keep us posted. Quote Link to comment Share on other sites More sharing options...
LexusGS400RacerX Posted August 30, 2007 Share Posted August 30, 2007 Your car might be eating it self :D Quote Link to comment Share on other sites More sharing options...
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