I have a Q45 infiniti 2002 code p0300 came up does it just need a tune up? on 2002 Infiniti Q45

when idle its fine under load is when it misfires .

by in Gilbert, AZ on September 12, 2012
1 answer 3 comments
ANSWER by on September 12, 2012
it could need tune up coils or insulators. it could also be fuel related
COMMENT by on September 12, 2012
where do you recomend i start so i dont waste so much money?
COMMENT by on September 12, 2012
with all do respect seek a mech opinion on the issues otherwise we are guessing. look for a good AAA approved repair shop in your area
COMMENT by on September 12, 2012
thanks for your input.