rcb13
Hello all,
I have a Generac 4000 EXL that will start and run for approx 30 seconds and shuts down. The unit had not been run for approx 4 years and had old fuel in it. I replaced the fuel and carb. Same problem. Sn 1009207836, Model 1645
What do I check next? Any and all help is appreciated.
Thanks
rcb13
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woodspliter
Could be fuel pump.  Take a can of carburetor cleaner, start the engine and see if you can keep it running by shooting a little cleaner in the intake.  If you can keep it going, it is a fuel problem not fire.  Had one like that before but it was water in the gas. Cleaned the carburetor out, changed the fuel and messed with it a short while before it was good to go.
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