Craftsman trimmer stops running and won't start - HobbyTalk
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post #1 of 16 (permalink) Old 07-12-2010, 09:37 PM Thread Starter
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Craftsman trimmer stops running and won't start

Hi...Thanks to you guys, I think I have eliminated the obvious possibilities that my trimmer quits and won't start again...but that leaves the not-so-obvious.
The trimmer is just over a year old and up until recently, ran pretty well.
It just quits after 15-20 minutes and will not restart until it's been left for a day or two.
It seemed to not be running at full power, I changed the spark plug and that made a little difference. I changed the ignition module and it was back to its old self. For about 10 minutes then it quit.
Checked your forum again.
Took it apart and checked the muffler...no build-up...nice and clean. Put it back together and got about 30 minutes out of it and then it quit again. Will not start again...I am guessing it will in a day or two.
If I didn't have a bunch of weed whacking to do, I might even enjoy the mystery. Any theories?
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post #2 of 16 (permalink) Old 07-14-2010, 08:17 AM
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After 15-20 minutes, I'm ready to rest...
Could you post the model no....it should be 358.something.
when it dies, can you check for spark?
thanks,
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post #3 of 16 (permalink) Old 07-14-2010, 12:15 PM
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Quote:
Originally Posted by glenjudy View Post
After 15-20 minutes, I'm ready to rest...
No kidding! Mine could quit after 20 minutes and I'd never know it 'cause it never runs that long. My yard isn't that big!
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post #4 of 16 (permalink) Old 07-14-2010, 12:27 PM Thread Starter
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"After 15-20 minutes, I'm ready to rest..." Maybe that's the ultimate plan...to keep me from overextending myself. :-)
Model #358791030...I tried again last night and still has no interest in starting.
I will check for spark tonight and advise.
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post #5 of 16 (permalink) Old 07-15-2010, 12:58 PM Thread Starter
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Follow up

Checked for spark....it sparks. I did a little further investigation and there was quite a bit of debris AROUND the carb so I cleaned that hoping that it might make it feel a bit more forgiving. But no.
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post #6 of 16 (permalink) Old 07-18-2010, 06:52 AM
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Another issue can be the gas cap of where it will actually cause a vapor type lock and keep fuel from going to the carb. Try it again and when it quits...try unscrewing the cap and replacing it to see if it will start again. Just a thought
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post #7 of 16 (permalink) Old 07-20-2010, 11:59 AM Thread Starter
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Thanks for the suggstion. I thought of that after going through some of the older posts. Unfortunately, I can't even get it started now. Tried with the cap on and off. Tried manually priming the carb. Nothing.
The gas I am using is/was about a month old. Of course, it's older than that now because the wretched thing won't run. Perhaps some new gas might get ti up and running. I'll keep you posted.
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post #8 of 16 (permalink) Old 07-23-2010, 08:59 PM
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Talking Your nuts are loose

Take carb off then you will see two torx bit/ bolts holding base to engine . I bet they are 2 turns loose. All two strokes loosen up all mounting bolts and nuts and will not restart hot or not at all. Check all your nuts on case halfs too for tightness.
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post #9 of 16 (permalink) Old 08-05-2010, 01:22 PM
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greetings, this is my first post

I too am having trouble with my Craftsman weed trimmer model #358.791580.
IF it starts, it won't take acceleration without dying. If I take it apart to check muffler for buildup (perfectly clean) and put it back together it starts and runs fine untill I'm done, then the next time I use it it's the same thing all over, won't start at all, or dies when I accelerate. Gas is good, spark plug is good. I don't seem to have much luck with 2 cycle engines.
I would be (as well as my neighbors) grateful for any help. Thank you.
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post #10 of 16 (permalink) Old 08-05-2010, 02:08 PM Thread Starter
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Wink Nuts are loose INDEED!

Checked the nuts...everything solid there. Thanks for the suggestion though.
One idea I got from another thread is to try and isolate where the "no start" is coming from by dropping some gas directly into the spark plug hole and try to start.
I'll give that a whirl tonight and see if I get a glimmer of hope.
(Welcome Micawber!)
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post #11 of 16 (permalink) Old 08-06-2010, 09:46 PM
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I'm having a very similar problem with my Toro trimmer. No start. I have spark and engine will run if either put fuel directly in chamber or via throat of carb. Have taken the carb apart and soaked overnight in carb cleaner. Replaced carb parts with carb repair kit. Replaced fuel lines and fuel filter. Help! I feel like I am missing something small and obvious and am not ready to throw it to the scrap pile just yet. Thanks.
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post #12 of 16 (permalink) Old 02-11-2011, 10:06 PM
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Ms.Anthrope did you ever get your weed eater running correctly. I'm having the same problem with the same model and was wondering how you were able to keep it running.

Thank you,
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post #13 of 16 (permalink) Old 02-12-2011, 01:36 PM Thread Starter
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Hi Pop_Smurf, Unfortunately, no. I may give it another try. Maybe it has had time to think about itself :-)

I DID manage to rebuild the carb on a rototiller with success so I am not feeling completely defeated.
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post #14 of 16 (permalink) Old 02-12-2011, 07:06 PM
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Ms.Anthrope,check the compression wth a compression gauge.It should br a least 90# of compression or more to run.Hope this helps.

Jerry
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post #15 of 16 (permalink) Old 02-13-2011, 06:27 PM
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Thanks Ms. Anthrope. I may just buy another weed eater and use this one for parts.
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