Mechanics

IDLE PROBLEM

1992 Honda Prelude

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
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Chucknugget
October 3, 2010.



Hi Chucknugget,

Did you check the idle adjust screw, fast idle thermal valve and it coolant hoses, coolant level and thermostat?

KHLow2008
Oct 21, 2010.