1994 Chevy Astro rough idle

1994 CHEVROLET ASTRO
142,000 MILES • 6 CYL • 2WD • AUTOMATIC
Avatar
GREGG EASTMAN
  • MEMBER
  • 1 POST
my check engine light came on and the engine started idling very low with black smoke at the tail pipe. Off idle the engine runs fine. It has done this in the past but corrected itself after I let the van sit over night.

Thanks
Sep 1, 2008 at 1:49 AM
Avatar
LEGITIMATE007
  • ✓Experienced Mechanic
  • 5,121 POSTS
check fuel pressure specifically the fuel pressure regulator
Sep 1, 2008 at 4:14 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