Question about 1986 Honda Accord

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My 1986 honda accord runs at a high RPM when cold and dies when its warm

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I'm really not familiar with the older hondas but if you've got an idle air control valve yours is a common symptom of a faulty idle air control valve. check the wiring to it and make sure the connector is clean and tight. if the wiring and connector is good i'd recommend replacing the iac valve.

Posted on Feb 19, 2010

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1986 HONDA ACCORD IDLES TOO HIGH 3000-3500 RPM


It may be caused by a vacuum leak, make sure to check all your hose for cracks and/or hoses that may have popped off

Mar 29, 2010 | 1986 Honda Accord

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1986 Honda Accord DX - too high idle on cold start


1986-1989 Honda Accord with Carburetor have a very bad habit that is little known even by most mechanics but easily fixed at home. The vacuum port on the choke opener that is connected to the intake manifold and both vacuum ports on the fast idle unloader get plugged up with nasty hard carbon almost as hard as metal. When this happens the choke sticks closed and the idle sticks on fast idle when the engine is cold and nobody can figure out why. All you have to do is attach a small drill bit to the end of a flexible socket-driver extension and put it in a variable speed drill that will let you run it real slow and carefully drill out the vacuum ports that are plugged. After they are nice and clean use a vacuum pump tester to make sure the choke opener and fast idle unloader are working before putting it all back together. It's amazing how much better the car runs after cleaning out those ports.

Jun 14, 2009 | 1986 Honda Accord

1 Answer

RPM


Yes, most cars should idle at around 1,000 rpm's.

Mar 11, 2009 | 1986 Honda Accord

1 Answer

83 honda accord idles very high when warming up then settles.


With other cars that I've had the same problem the distributor (counter clockwise, if memory serves), but those were all standard mount (rear wheel drive) cars. I'm about to go out to do the same thing in a few minutes on my girlfriends 83 Accord. Use caution! Then engine MUST be running and the adjustment MUST be SMALL!!

Mar 01, 2009 | 1983 Honda Accord

1 Answer

High rpms and then dies


check for loose vacuum lines or check to see if there cracks on them. you sound like you have a vacuum leak as well as your Idle Air Control Valve(IAC) going bad. good luck and happy holiday

Dec 22, 2008 | 1987 Honda Accord

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