1997 Buick Riviera p0304

1997 BUICK RIVIERA
135,000 MILES • 3.8L • V6 • FWD • AUTOMATIC
Avatar
KJSKR87
  • MEMBER
  • 1 POST
P0304 code pops up on my car 1997 buick riviera I have changed my spark plugs wires and injectors. It shakes while idling smell from exhaust and is sluggish I think could be coil pack my husband doesn't think so please help
Oct 6, 2015 at 5:34 PM
Advertisement
Avatar
HMAC300
  • CERTIFIED EXPERT
  • 48,601 POSTS
this is a misfire code it's best to have a pro diagnose this as it can be any sensor or injector as well as a vacuum leak or basic engine problem causing it.
Oct 7, 2015 at 7:09 AM