1992 Honda Prelude idle problem

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CHUCKNUGGET
  • MEMBER
  • 1 POST
Engine Mechanical problem
1992 Honda Prelude 4 cyl Front Wheel Drive 150,00 miles

my honda has a idleling problem when its sittin steal it revs up and down between 1 and 2 grand on the tac i thought it was a vaccum leak but we did a smoke test on it and it wasnt leakin anywhere so i replaced the idle air control valve and it still does it so i replaced the map sensor to just in case and it steal does it so i was wonderin what it could be
Oct 3, 2010 at 10:02 AM
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KHLOW2008
  • ✓Experienced Mechanic
  • 41,812 POSTS
Hi Chucknugget,

Did you check the idle adjust screw, fast idle thermal valve and it coolant hoses, coolant level and thermostat?
Oct 21, 2010 at 6:41 AM
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