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Rebuilt carb and it will start but won't stay running. It will start with starter fluid but won't stay running. Took air filter apart and put in new gaskets and clean screen. I don't know what else to do. how do you know where the little red and white screws are suppose to be set and the silver screw. hope you can help me.
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Clean or change air filter. Clean, gap or change spark plug. Empty gas tank add fresh gas with Stabil. When spark plug is removed pull rope several times to blow out cylinder. Spray starter fluid in spark plug hole before replacing spark plug. Clean outside of carb so choke works freely. Spray starter fluid into carb breather hole with air filter removed and try to start. if running replace air filter and cover. If no start disassemble carb and clean. If no start replace carb.
Are you pulling the plug to check for wetness after cranking it a few times, WITHOUT using the starting fluid? Also, I would recommend using carb cleaner in place of the starting fluid. Starting fluid runs the engine VERY hot for a brief time and can possibly damage rings, valves, and aluminum parts.
Many of these small blowers have an alloy key moulded into the flywheel, if this has sheared it will knock the ignition timing out, and will never run.
Just for the record, its a throttle body not a carb. Sounds like the injectors are not getting power or a ground signal from the computer. You would check them with a meter or low voltage test light.
A small engine carburetor sitting with gas in it is a a problem waiting to happen the ethanol in fuel clogs carburetors and it sounds like it has done it to yours remove and clean carburetor with carb cleaner that may do the trick or you may have to soak it in cleaner solution and rebuild if the rebuild does not do the trick you may need a new carb as some of the jets are clogged Try to run engine completely out of fuel leaving the carburetor empty s to help with this problem in the future also using a fuel additive for ethanol is helpful
Let it run with the choke for a while. There may be buildup in the cylinders that needs to be burnt out. In order to do that you need to let it get hot. Try very slowly opening the choke after its been running a while. Listen to the engine and if it sounds like its about to die, close the choke. You may also need to use starter fluid, it burns very hot and clean. You can pick it up at your local auto parts store. You may need to spray it into the carb the first few times to get it started.
Do this. get a can of starter fluid and a helper. spray some starter fluid into the air filter and start it. have your friend keep spraying the starter fluid to keep it running til the problem clears and it runs on its own. If this doesn't do it, that carb will have to be rebuilt. J.
Just checked my dad's for same problem. First thought is its not getting gas from tank; line is clean and no holes. On his 22" MTD push, i took off the air cleaner housing to expose the carb. Sprayed carb cleaner in carb throat, checked for smooth butterfly valve action, and also cleaned small jet/opening on left side of carb housing. Put it together and it ran perfectly. Don't buy a kit until you at least try this, its cheaper!
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