P0306 Lexus -

Question

Replaced coil and plug. still get PO306. Need a direction to go. Also probobly need wireing

Answer 1

Hi there,

Next step would be swapping the #6 injector with the one next to it and see if the misfire moves with it. Then if not a compression test would be in order to make sure the inside of the engine is good. Also, if the car loses coolant it could be an issue with the head gasket.