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My PB-500T Backpack blower starts easily and runs fine . . .for about ten minutes. Then it just shuts off as if one hit the kill switch. It will immediately restart and run for a little while.

The fuel is new. I've cleaned the fuel filter, disassembled and cleaned the carburetor, and replaced the gas cap.

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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  • 603 Answers

SOURCE: Echo backpack blower stops after 20 minutes

Make sure the fuel tank cap inlet valve is working properly, this will allow a vapor lock if it is not. Then check the fuel line in tank to make sure the pickup filter is not hung up in tank thereby allowing the fuel to get below the pickup. Also check the fuel line for holes. You can also try toro.com customer care, manuals and parts, type in model no. then get owners manual and see if in troubleshooting section it list this problem.

Posted on Apr 06, 2009

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rcalorisian
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SOURCE: Honda GX160 runs fine for 5 minutes then dies like out of fuel.

I would look for the fuel filter. Blow it our. I know you have a new tank of gas, but you might want to empty it out and make sure the clean and put in new. Even with Stabil in the gas you might just have to much condensation in the tank

Posted on Sep 08, 2009

mickey813
  • 472 Answers

SOURCE: Tractor starts then shuts off, smell flooded

ck the seat saftey swicth thay go bad

Posted on Feb 21, 2010

  • 394 Answers

SOURCE: Our new to us john deere 345 tractor won't keep running

You may try blowing backwards from behind the fuel filter into the gas line. Not to much air pressure though. Make sure the gas cap is off.

Posted on Mar 13, 2010

  • 1 Answer

SOURCE: I have a Echo PB-260L Blower. It starts fine then

Check the exhaust port upstream from the muffler and make sure it is not restricted with carbon. Mine was less than half way covered over with carbon. Scraped out carbon, checked muffler and screen(ok), back-blow the fuel line harness including the fuel filter and fuel tank vent and took carb apart and blew out all passages, not replacing anything and now runs fine. Would not rev past high idle before. Be sure gas is FRESH and mixed at 40-50 to 1. Hope this helps.

Posted on Nov 12, 2010

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ECHO PB-500T - Stopped running and added gas fuel mix. Quit running again with full tank and now flywheel is stuck and I can't pull to start it. What is the problem?


My $350 Echo PB-500T seized up. I almost cried.

The solution was to drain the fuel tank.

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  • 40:1 =3.2 oz to one-gallon gas, do not use Alcohol base gas.

  • Remove the spark plug.

  • Pour approximate 1/8 oz 2-cycle Oli into the spark plug hole.

  • Remove the pull cord assembly (4-bolts)

  • This reviled the crank shaft-Pull cord bracket

  • I use a large monkey wrench to turn the shaft (CW) Clock-wise.

  • Complete approximate 20 revolutions.

  • Reassemble, but don't install the spark plug yet.

  • Complete approximate 20 more revolutions

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