check engine code

1997 BUICK LESABRE
85,000 MILES
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CAM854
  • MEMBER
  • 15 POSTS
p0300 random misfire
Feb 23, 2012 at 8:27 PM
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HMAC300
  • ✓ASE Certified Mechanic
  • 48,601 POSTS
  • ASE Certified Mechanic
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
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