ran fine until now,i've replaced 02, 04, 06 coils about 9 months ago for same problem. what could be causing this problem. it seem like its a issue this car.
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1999 Lexus ES300 Question: codes P0300,P0304,P0303,and P0446 i replaced ignition coil bank 1, 2 weeks ago.
Answer #1Greg's Orange Auto (13041 Answers) , Orange, CA - (714) 361-9386globalhelper February 14, 2014, 06:24Master
what brand of coils are you using? could be defective, i had two aftermarket coils yesterday that were bad right outa the box.they were a delfi brand that is known to be good