Replaced all coil packs and sparkplags, possibly coolant leak, checked if any electric issues. But check engine light is keep coming on with P0303 or 302. After couple days driving Why?
Replaced all coil packs and sparkplags
Did they test as being bad before replacement?
possibly coolant leak
Either it's leaking (or burning) or it isn't. Are you losing coolant?
checked if any electric issues.
How? What specific issues were checked?
But check engine light is keep coming on with P0303 or 302. After couple days driving Why?
Possibly because you are driving a nearly 20-year-old car that could have any number of issues at this late date. (You did not list mileage or other items requested in the posting instructions.) Have you checked freeze-frame or live data? See the troubleshooting section of the site FAQ.
