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random backfiring while warm and it wants to stall


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#1 Guest_jdecker94_*

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Posted July 11, 2011 - 02:30 PM

so after i had some electrical issues with it today i was driving it across the yard and it wanted to stall, then back fired then kept on moving and did it again. any ideas on why its doing that? the ground cable coming from my battery is taped and all the elec connection on my key switch except for 1 is rigged to barely stay on. but im wondering if its the dry rotted gas lines going to and from my fuel pump thats causing a leak in the vacuum line.

#2 caseguy OFFLINE  

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Posted July 11, 2011 - 02:39 PM

It could be that you're momentarily losing the spark and building up an excess of fuel in the cylinders, then when spark resumes, the backfire occurs. It might be a good idea to fix up the connections soon, as backfiring a lot can be detrimental to engine parts.

#3 Guest_jdecker94_*

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Posted July 11, 2011 - 02:51 PM

maybe its a plug wire, i know the one is on the fritz, but its too hot now to look at it.

#4 caseguy OFFLINE  

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Posted July 11, 2011 - 03:09 PM

That could very well be the case. They're often hard to troubleshoot too and even harder to change as most are made as part of the coil! Hope you can track it down.

#5 Guest_jdecker94_*

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Posted July 11, 2011 - 03:21 PM

well i tightened the plug wire since it doesnt have a boot i mushed it to the shape of the plug, and it works better now. but then i touched it while the engine was running full bore and well i felt like 20 shocks to my hand, and my left hand is still twitching.

#6 caseguy OFFLINE  

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Posted July 11, 2011 - 03:51 PM

Ouch! Been there done that! Don't want to do it again!

#7 Guest_jdecker94_*

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Posted July 11, 2011 - 04:03 PM

its still stalling, and my hands finally done twitching. im wondering if my fuel pump is taking a dive.

#8 Texas Deere and Horse OFFLINE  

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Posted July 11, 2011 - 04:25 PM

j, did you check the gas tank vent to make sure it's not plugged. Just an idea..

#9 Guest_jdecker94_*

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Posted July 11, 2011 - 04:47 PM

it looked fine but i took the gas cap off, well out cine its one of the ones that tells you if your empty or full even though ti doesnt work... and it still stalled out.

#10 Guest_jdecker94_*

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Posted July 11, 2011 - 06:57 PM

fuel line were rotted, i chopped an inch off each one now it works fine, i pulled the 400 pound grader aorund in the back like nothin at 3/4 throttle. and mind you i was moving an inch of dirt at a clip.

#11 caseguy OFFLINE  

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Posted July 11, 2011 - 08:27 PM

That's great news J! Glad that you got it figured out! Happy grading!

#12 Guest_jdecker94_*

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Posted July 11, 2011 - 08:52 PM

im used to pulling the grader with a 12.5 horse belt driven weed eater lawn tractor from 1998. this bolens is 10x easier. i dont spin the tires like a mad man in the mud, i dont get stuck in pot holes, and its just a nicer machine to pull with.




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