i have a 2003 Honda odyssey .it misfire.the #po301/po306 come up +pl1399 come up do i do all the ignition coil ?mile on it is 198000
Country: United StatesMake: HondaModel: Odyssey EXYear: 2003Engine: 3.5
new spark plug.1 old/5 new
Hello jacustomer, is the vehicle running rough? Which cylinder has the old spark plug?
yes.cylinder 3.but i have auto scnner plus it code is po301.po302.po303.po304.po305.po306 +p1399 do i replace all the ignition coil ?
Okay. WHen you get these codes together most of the time it is due to a bad EGR valve. If the valve is not closing then these problems will occur. Does the vehicle run rough at all?