1997 Cadillac El Dorado surges on idle

1997 CADILLAC ELDORADO
45,000 MILES • V8 • FWD • AUTOMATIC
Avatar
CBRADY1000
  • MEMBER
  • 1 POST
When I am just sitting at idle it surges in neutral but in gear it does not do thid .It also hesitates on take off
Sep 6, 2010 at 5:52 PM
Advertisement
Avatar
RASMATAZ
  • ASE Certified Mechanic
  • 75,992 POSTS
  • ASE Certified Mechanic
Hi cbrady1000, Welcome to 2carpros and TY for the donation

Lets start by cleaning out the idle air control valve, clean the MAF sensor with an electronic cleaner CRC, and test the throttle position and manifold absolute pressure sensors-might also want to clean out the EGR/PCV valves
Sep 7, 2010 at 6:26 PM
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.