2007 camry hybrid
 

hi guys i just bought 07 camry hybrid . it has some misfire codes p0300 p0353 the lady i bought from said she replaced the coils already i havent check as of yet she said the dealer saId it had major engine problems but no knocking just misfire any idea's

Try swapping coil locations and determine if the code changes with location.

Check 12V voltage at the coils along with ground wires.