CODE 300, 301, 306, 305. i replaced one of the coils,it had a wet plug on #6,reset with battery disconnect. no change runs rough at idle alittle better at speed. runs very rough after battery disconnect.by the way 2001 ls430, 60,000 miles.plugs look and check fine.has any one had to replace crankshaft position sensor ? thanks for any input mike:

 

i just wanted to throw this out, i live in michigan , 27 degrees yesterday, reset codes, car ran fine no codes, against lodgic i put in dry gas maybe water in gas ? or does any one have any other input ? thanks mike