Bad spark plug? - Snowblower Forum : Snow Blower Forums
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post #1 of 16 Old 01-24-2016, 11:57 PM Thread Starter
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Bad spark plug?

Hi.

This morning I started my 3 year old Poulan Pro PR291E30 30-Inch 291cc for the first time this season. I couldn't get the blower to start via manual pulling. I resorted to the electric start - even though I ultimately got the blower to start that way, I had to press the ignition a bunch of times before the engine turned on. Once the blower started, it performed fine.

After 15 minutes of use, I shut down for a few minutes, and later attempted to start again and ran into the same challenge - electric start reluctantly worked, and blower worked fine after.

Is this symptomatic of a bad spark plug? The other concern is i used older gasoline, albeit treated with fuel stabilizer, that i kept from last season. I'm thinking because the blower ran fine after the start, its not due to the gasoline though.

Thanks,
Ed
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post #2 of 16 Old 01-25-2016, 12:00 AM
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the plugs probably not bad but if i were you i would replace it with an ngk bpr6es. run the tank of gas thats in it through it and see if some fresh stuff helps
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post #3 of 16 Old 01-25-2016, 12:19 AM
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I have heard that the older the gas is the harder it is to start. Though, I myself have used gas from the previous year.

Please direct all snow blower questions to the forums and not to me with PMs.
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post #4 of 16 Old 01-25-2016, 04:43 AM
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my brother text me last week to say his toro wouldn't start and how much would a new one cost. I told him to go get a gallon of fresh gas and mix his oil in with it ( he has a toro 2450 ) and put more gas in is tank. he did and the toro started for the first time this winter

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post #5 of 16 Old 01-25-2016, 02:21 PM
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Just remember that when you start it cold, prime it 3-5 times or to where you see gas dripping from the carb, give it 3/4 to full choke if it is super cold out, or just 1/2 choke if it is 30 and above. If you do a warm re-start, you may still need to prime it once or twice and use some choke. That is normal. Check to make sure that the primer line has not rotted off or cracked off of the carb. That is very common now a days.
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post #6 of 16 Old 02-13-2016, 09:57 PM Thread Starter
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update:

in the first of last week's storms, I filled the blower up with some fresh fuel, and the blower started pretty fast with the electric start. For the second storm, i attempted manually, and got it running on the first pull..

so.. i know now to not leave the gas in between seasons. I've done so for many years and this is the first time i have had trouble.. Perhaps the stabilizer I'm using is too old?

anyway, thanks for all the advice.
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post #7 of 16 Old 02-13-2016, 10:04 PM
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Some of the "red" stabile does not work on ethanol blend fuel. There are ethanol specific labeled red color stabil but just use the marine grade stabil or the startron. Even with stabil I don't go past 6 months.

It was a good year. Only three customers had issues with the first start. Each time I told them the gas sat too long even though it was treated. I put some of their gas on the ground and had trouble lighting it with matches.

If we had ethanol free gas station on Long Island I would just use that for power equipment.
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post #8 of 16 Old 02-14-2016, 10:28 AM
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Get yourself a separate gas can for your small engines only. Keep it filled with NonOxy fuel.
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post #9 of 16 Old 02-14-2016, 10:51 AM
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I never change plugs, not saying this is good practice, just saying. My ten yr old Honda push mower gets the oil every other yr. Thats it.

Last edited by Rob711; 02-14-2016 at 08:21 PM.
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post #10 of 16 Old 02-14-2016, 11:51 AM
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my local shop has ETOH free gas, however, I believe it's about $20/gallon -
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