1997 Cadillac El Dorado surges on idle

45,000 MILES • V8 • FWD • AUTOMATIC
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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 10:52 AM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,992 POSTS
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 11:26 AM
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