check engine code

1997 BUICK LESABRE
85,000 MILES
Avatar
CAM854
  • MEMBER
  • 15 POSTS
p0300 random misfire
Feb 23, 2012 at 8:27 PM
Advertisement
Avatar
HMAC300
  • CERTIFIED EXPERT
  • 48,601 POSTS
check yur fuel pressure first, that can cause a misfire code. it shold be 48-55 psi at fuel rail
Feb 23, 2012 at 8:44 PM