M Michael New member Oct 10, 2009 #1 replaced original spark plugs today with bosche platinum plus, now engine wont rev above 3000 rpm, i only changed plugs because it just turned 100,000 miles engine ran fine this morning any ideas?
replaced original spark plugs today with bosche platinum plus, now engine wont rev above 3000 rpm, i only changed plugs because it just turned 100,000 miles engine ran fine this morning any ideas?
