1998 Toyota Avalon Receiving Codes P0300 P0302 P304 P305 Changed Spark

206,000 MILES
Avatar
JHAWKACE
  • MEMBER
  • 1 POST
I was receiving codes P0300, P0302, P304, P305....I changed the spark plugs, wires, coils, oil, and oil filter...Car is still missing...Currently, I am only receiving the P305 code...Any suggestions?
Dec 30, 2012 at 8:57 AM
Advertisement
Avatar
ASEMASTER6371
  • ✓Experienced Mechanic
  • 52,796 POSTS
start with a compression test, look for vacuum leaks, test injector and check for wire harness issues as well.

Roy
Dec 30, 2012 at 9:00 AM
Add a reply
Join 2CarPros for free, one of the most advanced car repair communities on the internet. From first-time drivers to seasoned mechanics, everyone is welcome to reply, share details, and get better answers. You can add a temporary image or video first; uploads are limited to 20 MB.

Frequently Asked Problems for This Vehicle