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2pwes-0254by craftsman leaf blower wont start

Has 110 psi for compression, spark at the spark plug and i poured mixed gas into the head. ppulled it over and it wont fire. what am i missing?

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  • Expert
  • 257 Answers

Check and see if spark plug is good,,,if so my be timing has jumped

Posted on Oct 18, 2013

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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lou5577
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SOURCE: craftman leaf blower,not starting,fresh gas,new

How long has it been sitting with gas in it ,did you have gas stableizer in it ,if not disassemble carb and reinstall it will start right up...lou

Posted on Apr 22, 2009

  • 120 Answers

SOURCE: homelite ut08107 will not fire. no spark at plug.

It may be the coil if there is not any spark. Or a wire could off at the coil. One more thing it could be is the spark plug wire may have came loose from the coil. These a few thing to check.

Posted on May 05, 2009

rwvanlue
  • 486 Answers

SOURCE: CRAFTMAN LEAF BLOWER WONT START

Fuel starvation - 'lean fuel' condition
Basic things to check:
1) spark plug
2) spark arrestor in muffler
3) fuel lines and tank filter
4) turn adjustment needles out (counterclockwise) 1/4 to 1/2 turn
Chain Saws:
5) check impulse tube and intake boot for cracks or leaks
*if all of the above are OK and/or do not improve performance then:
Remove Carburetor
6) replace gaskets/diaphragms
a) use a spray carb cleaner to clean jets, holes, and body of carb
b) fuel pump diaphragm goes against the carb body,
then the gasket towards the outside
c) metering gasket goes against the carb body,
and the diaphragm goes towards the outside

Posted on Nov 19, 2009

  • 10 Answers

SOURCE: My Craftsman 358.797290 blower won't start. It has

exaust manfold get's clogged

Posted on Nov 24, 2009

  • 468 Answers

SOURCE: I can't get my Poulon leaf blower to start

So far everything looks good. You're getting fuel, and you're getting spark. Only problem, is you've gotten too much fuel in it, and need to get rid of some before you can proceed. Take that spark plug out, and pull the starting rope hard several times. This will force the largest amounts of fuel out. Now's the part where you'll have to trust me. Use a match or a lighter to "flash" the cylinder. Make sure you don't have excess fuel spilled over the blower, but hold that match or lighter right up to the spark plug hole, and it'll "puff" at you. Please don't look into the hole while you're doing this. Flash the cylinder, and then pull the rope again, and flash it again. Next, make sure the spark plug is dry then put it back in. Set your choke to full choke, and pull until it hits once. Then put the choke on half, and it should start within 3 pulls.

Posted on Mar 25, 2010

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My hand held blower wont spark plug and carb.replaced still wont start


If the plug is wet with fuel and it is firing then pull the muffler and for a struck ring. Struck and bad score cylinders will cause one not to start as you need at least 100 psi of compression to ignite the fuel mix.

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You need three things. Spark, compression and fuel. Pull the spark plug and make sure it is not fouled and you have spark when cranking. Put your finger over the spark plug hole and feel for compression while pulling the engine over. There is a reed valve between carb and block that clogs and prevents fuel from getting to cylinder.

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The plug gets wet and the unit has good spark? That only leaves you with two things....fuel and compression.
Dump it just be safe and mix up a batch of totally fresh fuel! You might even put a small amount of system cleaner into it to chase of water and remove gums and varnish too. Hey...if the rings are stuck it might even free them up! Kudos on checking the head bolts....they do often get loose and drop compression enough to prevent starting. Now that you have the head bolts ruled out check compression with a guage and see if you have 80-90 psi compression. Be safe and good luck!

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My craftsman leaf blower ran great for 4 years.. It stop running on me one day while using it.. I replace the carb, muffler and fuel filter with a new one.. it still will only run when the choke is half closed and don't run good doing that.. I have also noticed oil around the plug and muffler. I have to use either to get it started and I noticed when I pour a little oil in the spark plug hole before cranking it seems to run loner but not at full throttle think it might be piston rings shot.

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Poured in the wrong oil/gas ratio into my Craftsman leaf blower. Stupidly poured entire 2-cycle oil provided directly into the blower reservoir and filled balanced with gas (Should've read instructions...


it only means your spark plug is covered in oil. I do not expect any damage. try and remove and clean spark plug maybe use some gas to wash the excess off. maybe put a small drop of gas into the spark plug hole and replace. this may help start the engine. what you need to do this flush out all the oil so that the correct mix can get in. Also ensure no oil has got into the air filter ensure that is clearn before trying to start it again.


I hope this was useful

Oct 31, 2013 | Echo Inc. 25.4 CC Backpack Blower

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I can not get my craftsman leaf blower to start. I put a new spark plug and fresh gas. Won't start.


Not to sure without seeing or hearing it being pulled over. Compression? Very likely needs some carb work/kit.

Apr 04, 2013 | Garden

1 Answer

Wont start,wont fire even off starting fluid,has compression,appears to have fire(with plug out and grounded to head)maybe no spark under load? help


Hi, first of all NEVER use starter fluid.........on anything. This stuff (ether) is highly volatile and could destroy your blower and cause you and others around you harm. Starter fluid is meant to start diesel engines when they are cold however, there is the possibility of pre-ignition and that could seriously harm your engine. Make sure your fuel/oil mix is correct. Also try pouring a few drops of mix down the cylinder, after replacing the plug, give the starter a try. With the proper fuel inside the chamber and a confirmed spark from the plug, the motor has no choice but to fire. From this you can determine if your idle is either too lean or too rich. Good luck.

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If it has a spark then try spraying some starter fluid on the air filter. If it attempts to run then the carburator is stopped up. If it doesn't then you most likely have low compression. Remove the spark plug and screw in a compression tester and pull the starter a few times. It has to have no less than 70 psi to fire and run. 90+ would be even better. If it is 50 and below try pouring a little oil in the spark plug hole and repeat the test. If it improves a little then you have a scored cylinder or piston or stuck or broken piston rings. Let me know what you learn and I'd be glad to walk you through some more.

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most likely the air filter is clogged, take it out blow it out or spray water through it and allow it to dry completely.

alterinavely, just pouring a small amount of gas onto the filter should make it work, i would do that even if you do clean it properly.

this method works for cars too!

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1 Answer

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Were you running a fuel mixture of 40:1(3.2 oz of 2 cycle oil to 1 gal of gas), that you mixed up before you started using it again. The unit may have had to much use on Saturday and may be burned up. Try to have a compression test done on the engine, needs to be at least 100 psi to run. If that proves to be good then you can start looking at Fresh gas mixture, a new spark plug, Carburetor rebuild or an ignition module.
HTH
Good Day.

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