Question about Poulan 38-Inch Steel Deck 15.5 HP Briggs & Stratton I/C Engine With 5 Speed

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When I try to start my mower, it pops and backfires.

I have a poulan 38'' , 15.5 motor. I changed plug, fuel filter, and battery, and cleaned air filter. Dumped gas, and filled with new. I bought this used, it ran while i tried it out. got it home and wont start. Appreciate any help.

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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mowerman1857
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SOURCE: What is the belt number for a 38 inch Poulan

Assuming you mean the deck belt, since you don't specify, it is part number 144200 The same as Craftsman. AYP, Poulan, and several others. You can purchase it at most sears stores or order it on line

Posted on Sep 29, 2009

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  • 323 Answers

SOURCE: I tipped my poulan riding mower up from the right to check belt

If you remove the plug(s) so that the oil all drains back down, and some will drain back out of the muffler, it should start. But give a at least one day, maybe two. You may still have to put new plug(s) in it after it's gone. Check the fuel filter and see if you can see oil in it.

Take off the air cleaner when you get ready to start it and spray just a little starting fluid in the carb, Don't choke it. It will run rough and smoke like crazy, but after it runs a while it should be fine. It make take a few starts before it continues to run. At first it may run just on the starting fluid, but once the plugs fire up enough to burn the oil out it should run on its own.

Be sure and check the oil and if it seems like the slightest amount of gas in it, change the oil and filter.

Let us know how it comes out!

Sirwriter

Posted on May 16, 2009

  • 40 Answers

SOURCE: I have a polan 38

make sure the pulleys are aligned and then check for burrs or sharp steel cuts on the pulleys as for the battery check for a short or bare wire.

Posted on Jun 02, 2009

  • 66 Answers

SOURCE: mower made huge cloud of white smoek and shut off

Check for spark at the plug.
If the engine has points and condenser . check to see if the points are good.
If electronic ignition, then it is likely the ignition module is the cause

Posted on Aug 02, 2009

  • 8 Answers

SOURCE: lawn mower wont start. changed air filter, spark

Does it turn over? If it does, what happens? Does it sound normal when its cranking? I need more information to help. Is it a push mower or riding mower? Does it start by key or pull start?

Posted on May 01, 2010

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1 Answer

Husqvarna 18538 engine starts smooth but starts popping like backfiring . Trying to figure it's old gas ? Just serviced the machine.


to most owners a service means change oil. plug ,and clean air filter

drain the fuel tank ..new gas
cant see the carby .. if it has one
undo fuel drain nut on side of carby bowl

popping ....check valve adjustments
if no better
you may have a burnt valve

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May 31, 2016 | Husqvarna Garden

1 Answer

Motor quit put new gas, charged battery, checked oil still does not turn over- prior to this the engine would backfire prior to starting- I have checked connections-


Does not turn over or does not start? Does not turn over usually means a bad battery or starter. Or connections which you have already checked. There may be a fuse block or inline fuse as well. Does it have a manual pull start as well? Does this turn over the engine or is it siezed up, low/no oil.
Turns over but does not fire usually is spark or the fuel. Back firing would guess spark plug or carberator (air fuel mixture) If it turns over but does not fire, try putting in some Seafoam fuel system cleaner. This will get the varnish-gunking stuff out of the carb. Mix in your tank, turn over quite a bit to get it pulled into your carb bowl and into some of the carb port holes. Let it soak a while and then turn over again every so often to pull in new cleaner. If it starts at some point it will stink a little while burning the cleaner in the tank.

Make sure you have check the old fuel lines and and air vacuum lines for pin holes and cracks as well. Change the plugs. Make sure the air filter is clean. Change the fuel filter. Does it fire if you shoot starter fluid in the carb air intake, this would suggest a fuel issue, such as dirty carb, bad fuel line or fuel filter, or fuel pump.

Jan 09, 2016 | Ariens Lawn Tractor 42"" Riding Lawn Mower...

1 Answer

I have a riobi leaf blower. it will not start. i have changed the gas,gas filter, spark plug and rebuilt the carb. it still does not start. i took the muffler off to check the screen. it was full of gas....


The screen was full of gas? Or was that the intake filter? If the carb is moving this much fuel then I would check for spark. You said you replaced the plug but maybe it is the ignition module that is bad. You dumped the fuel first which is the best thing! Try starting with the intake filter off as well. See if the carb is spitting back out the intake. This is a sign the carb may have a checkvalve stuck open. Which will flood it like crazy and prevent starting as it fouls the spark plug. Also....you can dump all the fuel and just put enough in to make it sputter and see if that works. Then you know you have a carb issue without flooding it. Be safe and good luck!

Jul 09, 2014 | Poulan/Weed Eater #Wt200 711724 24cc Gas...

2 Answers

Lawn mower running suggish


fuel problem???? ya know carb cleaner works on lawn mowers as well as cars .

Jun 07, 2014 | Poulan "Poulan" Push Mower

1 Answer

Gas blower engine surges and shuts off when engine gets hot


check your fuel lines for cracks, could be sucking air or could be your carb needs cleaning, make sure you clean the screen inside the carb, if you run it with the choke on partially does it smooth out and quit surging, if so it is definitely a fuel problem. Hope I helped you. 2StrokeJim

Nov 27, 2011 | Poulan 25CC Gas BlowerVac

1 Answer

I have a Poulan Pro 42-inch it will not start, I check the plug, charged the battery, it turns over but will not start


Did you use old fuel? Fuel starts to go bad after about a month. If you are using last seasons fuel this may be causing you problems. Depending on the age or your mower your fuel or air filter could be clogged, next time you fill your fuel tank look in to see if debris in there. I once found a wasp in one. If this does not work, did you check spark. Can do this by removing plug and connecting the wire and grounding the plug then trying to start, should see spark. If still not starting may need to clean the carb.

Jul 07, 2011 | Poulan Garden

3 Answers

What does a major tune up for a 2004 chevy impala consist of? What should be done and needs to be done?


New spark plugs, oil and oil filter, transmission flush and fill, fuel filter, air filter, coolant flush and fill, clean throttle body plate and bore, clean the MAF sensor, replace any loose or cracked vacuum lines, PCV valve, new air filter, new battery.

99% of the time all you should ever need for a tune up is new spark plugs, and a clean air filter and throttle body. But since your inquiry indicated "major" I gave it more critical thought.

Feb 18, 2011 | Chevrolet Impala Cars & Trucks

1 Answer

I HAVE A POULAN MOWER TRACTOR MODEL HD12538B THAT WILL NOT CRANK. I HAVE JUMPED THE BATTERY WITH THE CAR, REPLACED THE SOLENOID AND THE IGNITION SWITCH. i HAVE ALSO JUMPED THE STARTER AND IT WILL CRANK...


Try replacing your spark plugs. Make sure its getting gas. Make sure your air filter is nice and clean. Check your fuel filter. and if all those fail try replacing your coil.

Feb 07, 2011 | Poulan Garden

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