Question about John Deere 420,1020,2010,2020,2510,2520 Tractor Float
I mowed about an hour and a half and it sputtered and died exactly like it just ran out of gas(because Ive had this mower 3 years and I do that on a regular basis) but the tank was more than half full - I removed the filter and blew thru it and removed the pump , completly disassembled it and cleaned it - I put everything back together and used starting fluid to prime it and it fired right up and ran smooth like nothing was ever wrong......for about 10 mins. - Today, I took off the seat/fender assy. and removed the tank and cleaned it out, blew thru the hose to the filter, blew thru the hose to the carb ,blew thru the pump and cleaned out the little hole for the diaphram - I used some more satrting fluid and it fired right up and ran for another 2 hours beautifully and then out of nowhere it died again - I did another blow thru and put a new fuel filter on and fired it up again with starting fluid and it ran fine again for about 15mins. this time - Ive spent more time under this thing than on it this summer - I know its close to 20 years old now but its such a great mower - What is its friggin' problem ???
To start ensure that is not a carb problem, and that the engine is not chocking because of incorrect carburetor settings. The carb should also taken apart and cleaned.
Try also running the engine without fuel tank cap, if engine runs fine replace the tank cap.
if carburetor, fuel filter, tank and fuel lines are ok it may be a faulty fuel pump failing. To test the fuel pump, insert a pressure gauge tool like this in the lines out from fuel pump.
Posted on Jul 13, 2009
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Posted on Jan 02, 2017
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