check engine code

1997 BUICK LESABRE
85,000 MILES
Avatar
CAM854
  • MEMBER
  • 15 POSTS
p0300 random misfire
Feb 23, 2012 at 12:27 PM
Avatar
HMAC300
  • ✓Experienced Mechanic
  • 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 12:44 PM
🔧 Tools & Auto Repair Parts
Find automotive tools, diagnostic equipment, and replacement parts for your next repair.
Shop on Amazon →
Paid affiliate link. As an Amazon Associate, we earn from qualifying purchases.
Add a reply
Join 2CarPros for free, one of the most advanced car repair communities on the internet. From first-time drivers to seasoned mechanics, everyone is welcome to reply, share details, and get better answers. You can add a temporary image or video first; uploads are limited to 20 MB.

Ask a new question

Frequently Asked Problems for This Vehicle