1998 Cadillac Deville code

1998 CADILLAC DEVILLE
89,000 MILES • V8 • 2WD • AUTOMATIC
Avatar
MICHAELFUCHS
  • MEMBER
  • 1 POST
I have a code P1646. EVAP Vent Valve output circuit. What is that an how would I fix this?
Oct 20, 2010 at 4:59 AM
Advertisement
Avatar
BLUELIGHTNIN6
  • ✓Experienced Mechanic
  • 16,542 POSTS
most likely culprit is EVAP vent valve but would be best to have repair shop use diagnostic scan tool to aid in diagnosing this issue
Oct 20, 2010 at 10:15 AM
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 Free Question
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.