why is car reving up in park

1997 TOYOTA LANDCRUISER
200 MILES
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AHSHOPPER
  • MEMBER
  • 1 POST
just changed battery, car has started to rev up between 2 and 3 rpms in park as well as when radio and/or heater is turned on. any suggestions
Jan 11, 2012 at 4:03 PM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,992 POSTS
-Check the alternator voltage output if its within specs and also the IACV, TPS and MAF sensors to include vacuum leak and fuel pressure check
Jan 11, 2012 at 4:06 PM
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