Question about Craftsman 17.5 hp 42 in. Deck Lawn Tractor - CA Model

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Craftsman lawn tractor wont start

Engine turns over great but wont start. replaced spark plug, checked fuel but still nothing.

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Your fuel filter could be plugged

Posted on Jan 19, 2009

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Engine will not turn over


A FUEL PROBLEM. It doesn't over or doesn't keep running when gas is gone. Doesn't turn over, remove spark plug to let fuel out.

Nov 12, 2011 | Craftsman 17.5 hp 42 in. Deck Lawn Tractor...

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I just put a new carb on my 17.5 hp lawn tractor .... it starts and runs great then after about 2 minutes it cut out .... and won't start for a few minutes .... spark is good ...... any ideas? it is...


It is possible that the fuel line is too close to the engine and the fuel flashes to vapor in the fuel line causing vapor lock. I recommend adjusting the fuel line if posible, and retry. Maybe replace that section of fuel line.

The other possibility is the ignition coil is going bad. You can check it by running the engine and when it stops, quickly remove the spark plug, caution hot. Put plug back into the wire and ground the spark plug and try to turn over the engine with the key start, if good spark, then the problem is likely the other,

I mentioned the fuel line first, because you said that you had been working with the carburetor, and the fuel line may be moved or a little shorter.

I hope this helps you get going soon.

Aug 16, 2011 | Craftsman 17.5 hp 42 in. Deck Lawn Tractor...

1 Answer

Tractor wont start


For a small gas engine than won't start, think FAST -- Fuel, Air, Spark, Timing. You've replaced the filters and spark plugs and squirted in some starter fluid, eliminating the simple common fuel, air, and spark problems -- but I because of the backfiring I think your problem is in the timing -- like a sticking valve. Probably more than you want to tackle at home, but might not be as expensive as an engine replacement. Take it to a good small engine mechanic -- best bet is a lawn equipment shop that has been around many years. Drive a little farther to get to one if necessary.

Jul 02, 2010 | Craftsman 17.5 hp 42 in. Deck Lawn Tractor...

1 Answer

My craftsman riding lawnmower cranks over strong but will not start


Do you have spark? There are two things to look for when any engine won't start....fuel & spark, Take your plug out and lean it up against the metal of engine...turn it over and see if you see a good blueish spark.

No spark? Could be the plug, safety switch, coil

Next squirt a little gas into spark plug hole, replace the plug...will it fire up? If so...start working your way back down the fuel system....carburetor, fuel lines, fuel filter and gas (is gas old or new? is there any water in it?)

try that...www.nnyparts.com

May 29, 2010 | Craftsman 20 Hp 42" Deck Lawn Tractor

1 Answer

My craftsman 15.5HP kohler riding mower turns over


Try cleaning or better yet, replacing the spark plug. Depending on age and how your tractor was maintained, there are other possible causes.
  • Gummed up fuel system
  • dirty fuel filter
  • defective or misaligned armature/magneto (part that causes your plug to spark, igniting the air/fuel mixture, thus starting the engine)
  • throttle linkage/cable problems
  • low oil level. Some Kohler engines use a low oil shut down sensor which won't allow the engine to run or start to avoid internal damage.
  • Mechanical engine problems
I hope you find this solution helpful. Please rate it thanks for using Fixya!

Nov 05, 2009 | Craftsman 17.5 hp 42 in. Deck Lawn Tractor...

1 Answer

Engine wont fire has spark gas not getting thruogh


pour alittle bit in carb & if it starts then it could be the fuel pump or the fuel lines

Jul 19, 2009 | Craftsman 24 Hp 48" Deck Yard Tractor

2 Answers

Lawn Tractor won't start Craftsman LT1000 17.5 OHV


The starter bendix is not engaging properly the bendix pushes the starter gear into the flywheel gear when the starter spools up, it may need minor lubrication.
It sounds like the engine is not getting fuel as it should, the main jet may be restricted from varnish if she stumbles under a load especially if the plug tips are white after running for 1/2 an hour.
Remove the float bowl and clean the jet, make sure the fuel is still good, gas that smells like a library is more like varnish and less like fuel.

May 27, 2009 | Craftsman 17.5 hp 42 in. Deck Lawn Tractor...

1 Answer

19.5 HP Craftsman Lawn Tractor won't start...any ideas?


Does the motor even turn over. Have you checked the carb. for gunk or gas trash.

May 19, 2009 | Craftsman 42 in. Deck 19.5hp Lawn Tractor

1 Answer

Craftsman GT5000 W/22hp B+S surges and dies when warm


Replace the spark-plug, check the quality of the fuel(gas that is mixed or was stored more then three months is stale and wont fire correctly) make sure the fuel and air filter not clogged. If there is no change then your problem may be more technical, a nest may be restricting the govenor or you missed something with the carb and there still is debre causing it to stall.

Apr 24, 2009 | Craftsman 20 hp 42 in. Deck Lawn Tractor -...

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