Question about 1998 Honda Accord

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I have just been given a 1992 Honda Accord. This thing is driving me crazy..It has a loud screaming noise coming from the IAC valve and has a vry high idle (1200rpm) The air mixture adj screw is all the way in. I have cleaned throttle body, tried adj. air mixture and have bleed the syatem and it still screams at me.. I am not familiar with Hondas but I am mechanically inclined.. Any help would greatly be appreciated..

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  • David Quesenberry
    David Quesenberry Dec 31, 2008

    I have changed with one i found at the wrecking yard and still the same thing..(but who knows if that one was good).. There is a allen set screw is this some sort of adjustment...there is yellow paint like set at factory... and isnt unusual that the air mixture screw is turned all the way in??? when I back it out the idle starts to lope very frustrating thanks for your input

  • David Quesenberry
    David Quesenberry Dec 31, 2008

    Are you familiar with the scream that is happening ???



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Have you replaced the IAC valve, if not you need to check it to make sure it is not defective, also you may have a vacuum leak in the intake system

Posted on Dec 30, 2008


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I have a '92 Accord that when warm will rev up and down when in park but seems to run fine in gear. What will cause this and how do I fix it?

Idle control valve can cause this or any number of things like an O2 sensor or throttle position sensor.

Apr 16, 2010 | 1992 Honda Accord

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1992 Honda Accord wont start when cold out Fires but wont stay running

this could possibly be an iac or idle air control valve issue. the iac valve controls the amount of air that bypasses the throttle body in order to maintain proper idle, and is mounted on or very near the throttle body on the intake manifold. check the connector to ensure it's tight and the connections are clean, not corroded. i'd recommend replacing the iac valve.

Dec 27, 2009 | 1992 Honda Accord

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I have a 92 honda accord ex that the it idles go

If it does that when the engine is warmed up (full operating temp.) it may be you iac valve, or your fast idle valve. They get gummed up. It also could be your PVC valve, but probably not.:

IAC in red. Fast Idle in yellow. Your PVC valve is plugged into the valve cover (the black hose in between the red and yellow in the picture) it simply pulls out. It should rattle when shaken.
Hope this gives you a start on the problem.

Oct 09, 2009 | 1992 Honda Accord

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I have a 1992 honda accord. Replace main relay, alternator, battery, ignition switch. This car will shut down will at a stop sign or parking. Any ideas? I have noticed a leak from the radiator.

the radiator should be unrelated to this problem, unless you're so severely overheating the car that it's stalling (this is unlikely). there are many possibilities here, but it sounds like this is happening during idling conditions which tells me there may be a problem in the IAC (Idle Air Control) circuit. The IAC valve manages how much air gets into the engine while it is idling and if the valve is malfunctioning or if the air passages it uses are clogged w/ carbon deposits, it could create the problem you're having

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2 Answers


Have the Idle Control Solenoid Valve cleaned up.

Or it might be defective. See steps below to check...
  1. Disconnect idle control solenoid valve electrical connector.
  2. Disconnect upper hose to solenoid valve from manifold and apply vacuum to hose. Valve should hold vacuum.
  3. Continue applying vacuum to hose and briefly energize valve by connecting battery positive terminal to the black/yellow wire terminal and negative battery terminal to the green/black wire terminal. Valve should not hold vacuum when energized.
  4. If idle control solenoid valve fails to perform as outlined, valve is defective.

Jun 03, 2009 | 1991 Honda Accord

1 Answer

1994 accord runs then shuts off after 3 mins

check the timing you may have to replace the timing belt. and before you do this check to make sure all of the vaccum lines are on and none of them is damaged in any way.

Apr 09, 2009 | 1994 Honda Accord

1 Answer

1992 honda accord high idle and screams

it is your idle speed sensor it is on the throtle body this controlls the idle speed

Dec 30, 2008 | 1992 Honda Accord

1 Answer

1992 hond accord lx

change your idle air control valve, tech term IAC valve. have a nice day buddy

Dec 16, 2008 | 1992 Honda Accord

1 Answer

92 honda accord

is it the temperature control knob or the fan speed knob? the temperature control knob is hooked to a cable that operates a valve in the engine compartment. sounds like this is your trouble can open the hood and locate the heater control valve near the firewall...have someone turn the knob to see if the valve lever opens/closes. if it does it is bad. if it does not move there is a problem in the dashboard behind the heater control unit.

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