1992 Mercury Marquis idle speed

1992 MERCURY MARQUIS
13,000 MILES • V8 • 2WD • AUTOMATIC
Avatar
WILLIAM PICKELL
  • MEMBER
  • 1 POST
After replacing the egr modulator and o2 sensors including a fuel pump the car after being warmed up continues to stall out when coming to a stop.
Oct 3, 2009 at 6:51 AM
Advertisement
Avatar
RASMATAZ
  • ASE Certified Mechanic
  • 75,992 POSTS
  • ASE Certified Mechanic
Clean out the EGR valve and idle air control valve/motor/ISC and test the TPS and MAF sensors.
Oct 3, 2009 at 11:03 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.