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Toro mower with clogged fuel line

I was told my Toro mower's fuel line is clogged. It will run, start to sputter, then quit. You can pump the bulb and start it back up then it does the same again. I just had it serviced and this started the second time I used it afterward. I have not unscrewed the cover yet, and before I do, I would like to know what I should be looking for and is it as simple as just slipping it off of a nipple type thing and pouring clean gas through it?

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That doesn't sound like a clogged fuel line, it sounds like your carb either needs a cleaning or a rebuild. If your fuel line was clogged than you wouldn't be getting fuel to the carb and you wouldn't be able to prime it. First check the smell of your fuel, if it smells stale then you sould empty it out and put fresh fuel in.Next take the air filter housing off unless the carb is exposed enough to get to easily. If you clamp off your fuel line (unless you have a shut off) so no fuel passes to the carb., wipe down or with an air hose blow off the bowl of the carb so there is no debris, pull the screw out of the bottom of the car., be sure to use a clean container to catch the fuel and look for any debris in the fuel. You can also take the bowl off and see what the inside of the bottom of the bowl looks like. Your looking for any debris or gelling of the fuel inside of the carb. if anything is noticed then the carb. is going to need atleast a cleaning. If a cleaning doesn't work then you may need a rebuild kit. Any qeustions on any of this please feel free to ask me.

Posted on Jan 11, 2009

  • camxposure Oct 07, 2011

    long way from an easy repair

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The problem is the line itself- it rots.... you will probably notice the where the gas tank and fuel line joined [gasket] you get exposure deterioration from the mixture of air and the decay from gas - it will become brittle- and it will flow fine with the pressure from the bulb- but it won't draw gas into the carb from the low pressure vacuum leak- replace the hose- and choose a higher quality chemical resistant as well as gas resistant - keep enough to last you several seasons- empty the gas out as frequent as possible- best to only put in enough for the job- filling each time

Posted on Oct 07, 2011

  • camxposure Oct 07, 2011

    the problem is the line itself- it rots.... you will probably notice the where the gas tank and fuel line joined [gasket] you get exposure deterioration from the mixture of air and the decay from gas - it will become brittle- and it will flow fine with the pressure from the bulb- but it won't draw gas into the carb from the low pressure vacuum leak- replace the hose- and choose a higher quality chemical resistant as well as gas resistant - keep enough to last you several seasons- empty the gas out as frequent as possible- best to only put in enough for the job- filling each time

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Try the easy stuff first. See if it runs without the filter if so then replace the filter. Replace the primer bulb even if it seems OK. Then get into the carb stuff from trippssmengi.

Posted on Jan 26, 2010

  • smtalati
    smtalati Oct 21, 2012

    what is the primer bulb, mine starts and then stops. i took out the filter , same thing. i think it is the dirt in the link or carb or tank bottom. what should i do

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