1992 Mercury Marquis idle speed

1992 MERCURY MARQUIS
13,000 MILES • V8 • 2WD • AUTOMATIC
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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
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RASMATAZ
  • CERTIFIED EXPERT
  • 75,992 POSTS
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