Posted by Dave41A on April 13, 2020 at 09:37:40 from (71.161.70.186):
Good afternoon. For the past few days I have been trying to get my chainsaw started. It is an Echo cs-590, which up til now has been a very good saw. I've had it for about 5 years. I have fresh mixed gas in it, and have checked the spark plug gap & spark--both good.
What it does is this: When I first go to start it, I put on the choke and pull--"vroom." It then runs at idle for 5-10 seconds. Then it quits and will not restart. If I wait a few hours, it will do the same thing.
I have had the carb off & taken apart, checking diaphragms for dirt and all the jets for clogs with a fine wire.
The engine does not seem to respond to starting fluid sprayed in after the first 10 seconds of idle (air filter off). If I pull the spark plug after repeated pulls it comes out wet. I would think the spark is somehow cutting out, yet I have good spark when I check.
I can post pictures if required. This is the first time it has done this for me. Otherwise it has been a dependable saw. I cut maybe 3 cord a year with it.
Any insight would be appreciated. Thanks in advance. Dave
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