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Chevrolet
Caprice
Trouble Codes
P Codes (Powertrain)
P0300 - P0399
P0304
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PO304 code
TREVER NELSON
MEMBER
2006 CHEVROLET CAPRICE
2.8L
4 CYL
RWD
MANUAL
147,176 MILES
I have replaced all spark plugs and coils checked the wiring and everything runs smooth but the code still appears.
Friday, June 16th, 2017 AT 7:28 PM
5 Replies
MHPAUTOS
MECHANIC
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.
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Saturday, June 17th, 2017 AT 3:20 AM
TREVER NELSON
MEMBER
3 POSTS
Where do the injectors sit?
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Saturday, June 17th, 2017 AT 9:03 AM
KEN L
MASTER CERTIFIED MECHANIC
47,256 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
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+1
Monday, June 19th, 2017 AT 11:28 AM
TREVER NELSON
MEMBER
3 POSTS
2006 chevy colorado rear wheel drive 2.8 liter 4 cylinder
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Monday, June 19th, 2017 AT 1:49 PM
KEN L
MASTER CERTIFIED MECHANIC
47,256 POSTS
Please start a new question
https://www.2carpros.com/questions/new
Cheers, Ken
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Wednesday, June 21st, 2017 AT 5:26 PM
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