1997 GMC C1500 car running real rough

1997 GMC C1500
194,500 MILES • V8 • 2WD • AUTOMATIC
Avatar
COOKIEBJRX
  • MEMBER
  • 1 POST
truck runs real rough at high speed and idleing could this be exhaust gas regulator
Sep 11, 2008 at 9:47 AM
Advertisement
Avatar
RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 POSTS
For a start check the fuel pressure with and w/o the pressure regulator then report back your readings this is where we start and in order to continue.
Sep 11, 2008 at 9:52 AM
🔧 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