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22r propane help
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<blockquote data-quote="TacomaJD" data-source="post: 437093" data-attributes="member: 1780"><p>Good reference. I had same problem, ended up being the diaphragm in the carb. The carb has to pull vacuum to the vaporizer to open it enough to allow fuel to pass into the carb and intake. The vaporizer also has a diaphragm system. </p><p></p><p>I could take the main fuel hose that runs from vaporizer to the carb loose from the vaporizer, turn engine over, and it was not pulling any vacuum at all so it was not able to pull fuel through the vaporizer. Now I could hold the button down on the vaporizer and it would crank fine, but wouldn't idle on it's own and had terrible throttle response at low rpm's. Changed the diaphragm in the carb and it runs like a champ now. There was nothing visibly wrong with the old diaphragm, it was apparently just stretched out and flimsy from years of use and wasn't sealing off like it's supposed to in order to create the needed vacuum to pull fuel into the carb. </p><p></p><p>It's probably something little. Do every process of elimination that you can and you'll eventually narrow it down to one peice of equipment, then you can rebuild it or change the settings and see what happens.</p></blockquote><p></p>
[QUOTE="TacomaJD, post: 437093, member: 1780"] Good reference. I had same problem, ended up being the diaphragm in the carb. The carb has to pull vacuum to the vaporizer to open it enough to allow fuel to pass into the carb and intake. The vaporizer also has a diaphragm system. I could take the main fuel hose that runs from vaporizer to the carb loose from the vaporizer, turn engine over, and it was not pulling any vacuum at all so it was not able to pull fuel through the vaporizer. Now I could hold the button down on the vaporizer and it would crank fine, but wouldn't idle on it's own and had terrible throttle response at low rpm's. Changed the diaphragm in the carb and it runs like a champ now. There was nothing visibly wrong with the old diaphragm, it was apparently just stretched out and flimsy from years of use and wasn't sealing off like it's supposed to in order to create the needed vacuum to pull fuel into the carb. It's probably something little. Do every process of elimination that you can and you'll eventually narrow it down to one peice of equipment, then you can rebuild it or change the settings and see what happens. [/QUOTE]
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