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Polaris Sportsman 500EFI no start

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Old Jun 3, 2022 | 03:09 PM
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Default Polaris Sportsman 500EFI no start

Fuel pump is working, injector test good and you can see it spray fuel. TPS and MAP test good has spark. Will crank but will not start unless you spray fuel into the throttle body. The injector is spraying fuel and I do not see any restriction to the cylinder with the injector removed. I am not able to do the flash code test because the cluster does not work. and haven't found a way to test the MAP sensor. I tested all the components per the service manual. I don't understand that if the injector is spraying why it will only start if you spray fuel into the throttle body. Anyone have any ideas?
 
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