po304 code

2006 CHEVROLET CAPRICE
147,176 MILES • 2.8L • 4 CYL • RWD • MANUAL
Avatar
TREVER NELSON
  • MEMBER
  • 3 POSTS
I have replaced all spark plugs and coils checked the wiring and everything runs smooth but the code still appears.
Jun 16, 2017 at 7:28 PM
Advertisement
Avatar
MHPAUTOS
  • CERTIFIED EXPERT
  • 31,937 POSTS
That is a misfire cylinder number four check injector is okay, check compression and check for a vacuum leak at that cylinder, start here.
Jun 17, 2017 at 3:20 AM
Avatar
TREVER NELSON
  • MEMBER
  • 3 POSTS
Where do the injectors sit?
Jun 17, 2017 at 9:03 AM
Advertisement
Avatar
STRAILER
  • CERTIFIED EXPERT
  • 53,872 POSTS
I can get you a diagram but can you check the year and model please? I don't show a 2006 Caprice.

Cheers, Ken
Jun 19, 2017 at 11:28 AM
Avatar
TREVER NELSON
  • MEMBER
  • 3 POSTS
2006 chevy colorado rear wheel drive 2.8 liter 4 cylinder
Jun 19, 2017 at 1:49 PM
Avatar
STRAILER
  • CERTIFIED EXPERT
  • 53,872 POSTS
Please start a new question

https://www.2carpros.com/questions/new

Cheers, Ken
Jun 21, 2017 at 5:26 PM