Q: Multiple misfire codes

asked by on June 25, 2017

My Lexus 01 lexus gs300. 115kmiles.. After a long road trip about 1k miles started to hesitate under slight acceleration 2k-2500 rpm.. Pulled codes and received multiple misfire codes. 1 per distributor. (0302) cyl 2)(0303)cyl 3)(0306)cyl 6).. What could be the cause? Ive only tried lucas injector treatment so far. Not sure if it helps but I also have a (0161) o2 heater circuit(bank 2, sensor 2) code and (0440) evap emissions system code

My car has 115000 miles.
My car has an automatic transmission.

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