I have a 4-year old Echo PB-250LN leaf blower that has always started with 1-2 pulls and ran like a top. The other day after using it for 5-10 minutes it just shut off like you hit the kill switch. I checked the usual things and everything seemed fine. I checked for spark and no spark. Changed plugs, same - no spark.
It was late in the day so I decided to wait until the next day to check it out further. Next morning it started right up, ran for about 2 minutes and then shut off like you hit the kill switch. Again, no spark. I let it sit overnight again and the next morning it started right up but again lost spark after a few minutes. I did a few searches on-line and found that the ignition coil is the prime culprit on these engines. A new coil is $71. I only paid $150 for the blower. While looking for info on the Echo website I saw something about a 5-year warranty. So I dug out my manual and what do you know I saved the receipt and I still have 1 year of warranty remaining.
How often does THAT happen? (My stuff usually fails a few months out of warranty)
So I dropped it off at the nearest authorized Echo service center and 4 days later I had it back working like new, with a new ignition coil - totally covered under warranty.
I really like this blower. It's a low-end unit but for the money it is powerful, quiet and starts easily. I would buy another one.