Question about Cars & Trucks
Those are noted for the throttle body gasket to get sucked in and break. Spray propane or carb spray around the base of the throttle body. If idle speed changes, the gasket needs to be replaced.
Posted on May 18, 2014
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Posted on Jan 02, 2017
If the vehicle is a carborated engine, you would find your vehicles throttle body where the linkage connects for your acceleration. Most engines then have the idle screw very close to this linkage. Though from what little photo's I have seen of the vehicles engine compartment via google images. I unfortunately can not direct you as to where the throttle body on the engine is located.
Posted on Apr 14, 2009
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.
Posted on Sep 27, 2009
I sounds like the choke is not adjusted properly or the linkage for the fast idle cam is sticking. The fast idle cam is on the right side (passenger side) of the carb kind of behind the choke assembly. It could be the choke pull-off is not working or is not adjusted properly. Does the choke open all the way when the vehicle is fully warmed up? If not I'm guessing the choke stat (black plastic round) is not working or is installed wrong. Does that one have a wire going to the stat, is there 12V there when engine is running? That gets power direct from the alternator and will only have power there when the engine is running.
Posted on Dec 13, 2009
The idle control is electronically controlled. If the idle speed is too high, its likely that the cold start unit which is fitted to the throttle body is defective and should be replaced....
One thing I've noticed living in a hot climate....Many of our mechanics remove the thermostat believing it serves no function in a hot climate. The thermostat in fact is a critical component in all climates and must be fitted, particularly with fuel petrol injected vehicles. If removed the the result will be incorrect temperature signals being sent to the management system, which in turn could result in the fast idle you are describing. The computer will be told that the coolant is cold and therefore increase the idle speed as if the engine is still cold!
Posted on Feb 06, 2011
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