Question about Cars & Trucks
1990 3f landcruiser aisan carburetor
Check that the idle solenoid shut off needle is connected . It is used to stop engine run when the ignition is turned off. If it is not connected the idle circuit of the carby will not function and the engine stops.
Posted on Jan 06, 2013
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Posted on Jan 02, 2017
There should be one screw (I'm assuming it's the Carter YF carburetor 1 barrel) that's by itself away from linkages etc, more to center at base of carb where it meets manifold, that is angled approx 45 degrees going in to base. That should be your mixture screw. What symptoms are you experiencing anyway?
Posted on Apr 04, 2009
Afew things to check first before you start playing with it is to take out the air filter if dirty replace it ,Chrck the exhaust and see if its carboned up if so burn it over a fire and then tap it to remove all black carbon Then check the carby again as all carbys have a mixture screw and a air vent screw and check the compression to make sure the plug is caused by
richness and not oil.
Also check the engine breather pipe as a blocked pipe can cause the same thing.
Let me know how you get on Ron
Posted on Nov 04, 2009
Manually operate the choke mechanism and watch to make sure it fully releases. Quite often mistakes can occur when putting the pieces back together and it won't fully release off fast idle.Are you absolutely positive that you didn't forget an o- ring or ball when you put the carb back together? Is there any chance there is a gasket upside down? Could the power valve be in wrong? These types of things could create that problem, there is too much gas going through your idle circuit.What happens when you turn in the idle screws? Are you sure about the timing? I don't have specs for a 1/2 ton but all the specs in my Chilton give me 6 degrees in California and 8 degrees everywhere else. These numbers cover all models of cars for a 1978 350. Hope this helps.
Posted on Oct 24, 2010
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