Question about John Deere Garden
Tracking down fuel problems.
I knew this mower was in top running condition. There were no engine misses, no backfires. It was not abnormally hard to start. The carburetor was clean, the coils were good, the plugs and fuel filter were recently changed. Lifting the hood, I noticed the fuel filter was nearly empty. It should be ½ full, or more. I pulled the hose off the tank side of the fuel pump and saw there was no fuel flow.
Gas should gravity flow from the tank to the fuel pump, if the tank has a good supply of fuel. I wiped the hose off and blew air back into the fuel tank. It helps to take the gas tank lid off first. After I got a good flow of air going back into the tank (you can hear the bubbles) the fuel began to gravity flow back through the hose at a decent clip. This fixed the problem. There is likely silt build up in the tank and it settles at the output port blocking the flow of fuel.
The problem repeated itself several times last summer. Back at the shop, I used compressed air (turned down to 20 psi) to blow the line clear. The problem reoccurred this spring. I used the same method to clear the line.
NOTE: Connect a volt meter across the two battery posts. If battery voltage drops below 9 volts when cranking or while the engine is running, the fuel cut off solenoid will not function. That means the engine will not start or will die soon after starting. So check your battery voltage before, during, and after cranking. If the battery voltage is good before but drops below 9 volts while cranking this is generally a sign the battery has one or more bad cells. Replace the battery. If the battery is in fact good, and the voltage is still dropping, you may have a bad starter motor which is drawing too much amperage.
If you find this fuel checkup does not solve the problem, repost your question with updated info and I will walk you through the next step. Tracking down a spark problem; yes, your problem could involve the coil or any part of the ignition/spark system. (Not as likely as fuel)
Small Engine Repair Checking Vacuum Fuel Pump Fuel System on Kohler Twin...
Posted on Apr 14, 2015
Unhook fuel line from carb. Should have fuel. If not screw off fuel cap,fuel may start running. The cap vent may be plugged.
Posted on Apr 13, 2015
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Posted on Jan 02, 2017
You have a defective ignation coil. When the engine gets hot, the winding in the coil opens and the engine stops. After it cools down, it will again make contact and start again. If you don't know where the coil is, follow the wire from the spark plug. The spark plug wire is attached to the coil from the factory. It's easy to replace with a 1/4 inch socket set. Set the magnet to coil gap with a standard business card.
Posted on Jul 27, 2009
SOURCE: john deere runs then stops
I fixed my mower stalling issues on the L111 by loosening the gas cap. I ultimately drilled a hole in the gas cap and screened the hole. Sounds ridiculous but without that venting the engine would run approximately 20 mins and die. It was also much more difficult to start the next time. Something else to pass along to whomever might view this... I replaced the cranking battery with a battery that had allot more cranking amps and I no longer had hard start issues ( this was after I vented the gas cap). Hope this helps.
Posted on Aug 11, 2009
You may try blowing backwards from behind the fuel filter into the gas line. Not to much air pressure though. Make sure the gas cap is off.
Posted on Mar 13, 2010
SOURCE: john deere 2210 keeps stalling/
If you have already replaced the fuel filter then you need to check the fuel tank to see if it has debris in it that is restricting the fuel to the filter.If you are not having a fuel delivery problem then you may need to replace the rubber fuel lines,they may be sucking in air,you will not see this as a fuel leak because of the vacuum on the lines but air in the return lines will cause problems and also air in the delivery side of the fuel will also give you grief.
Posted on Jul 27, 2010
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