Pro 42CC 2 Cycle Chainsaw, 18″

I just recently purchase a replacement ignition coil and it ran fine for about 20 minutes. It then sputtered and died out only to not start again. I then disconnected the kill switch to make sure it as not the issue. I then pulled the spark plug and grounded it against the head and there was no spark. I then swapped that spark plug with the old one and still didn't have a spark. Sounds to me that the ignition coil is fried but is this a common thing?
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It is not common, but there are so many poor quaility units out there it does not surprise me.

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A: The spark plug gap on all products is . 025-inch.
Air bubbles can create a path for electricity inside of a coil, and lead to premature failure. Coils fail for a variety of reasons including heat, vibration, or issues on the secondary side of the ignition system.
Measure the resistance

Use the multimeter to check the removed ignition coil. Connect an ohmmeter directly to the component connector PIN 1 and PIN 2 in order to measure the primary winding. high-voltage outputs of the ignition coil.

Engine misfires can also be annoying. But before you take your car to the auto shop to see what`s wrong, check your ignition coils. Choosing the best ignition coil ensures you get the best efficiency out of your car, which means you spend less money at the pump.
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Poulan is a brand name of the Swedish manufacturer Husqvarna AB.
As long as it is not less than 0.30mm, it will be OK. If the gap is too great, the engine may not start as easily. If the gap is too small (< 0.30mm), there is the risk that the coil and flywheel might touch as the flywheel heats up and expands when the engine is run.
The gap setting is different for each vehicle but most are somewhere between 0.028″ and . 060″. Consult the owner`s manual or Champion ® catalog to find the recommended setting for the vehicle you`re working on.
As long as it is not less than 0.30mm, it will be OK. If the gap is too great, the engine may not start as easily. If the gap is too small (< 0.30mm), there is the risk that the coil and flywheel might touch as the flywheel heats up and expands when the engine is run.
It is very important to maintain the contact breaker points gap at the size recommended by the manufacturer. The recommended size usually covers a small range. Most common sizes are in the range 0.012″-0.015″ but ML used 0.010″ on their Maglitas and Eisemann specified 0.020″ for their AM magnetos.

Discover Relevant Questions and Answers for Your Specific Issue

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Poulan pro 42 cc, no spark – Poulan Pro 42CC 2 Cycle Chainsaw, 18"
ANSWER : Try diss connecting the earth cut out wire from the ignition unit and try for a spark again, this will rule out the switch and any trapped wires, re set the air gap between the unit and the flywheel to 0.3mm, if there is still no spark the unit is bad and will require replacment, they are normally only held on with a couple of allen screws, and either bolted to the cylinder or the crankcase.

Poulan chainsaw 18″ 42 cc, pro gas filler cap?
ANSWER : Yep they swell after a while and will not screw in or out!
Sand the threads down so that the circumference is reduced with a course file or plumbers cloth, chamfer the threads a bit on the edges. A new one will do the same thing after a while so just fix the one you have.

No spark on poulan 2055 – Poulan Pro 16-Inch 38 cc Anti-Vibration Chainsaw #PP3516AVX
ANSWER : 1st try another good plug, if no spark, remove the pull start and you will see 2 small wires and 1 thick one going to the plug, disconect the one that has a spade conector on it (the other small one should be screwed down on to the coil) refit the starter and check for spark. if none replace the ignition coil/ module as one part.

Can you adjust the oil pump – Poulan Pro 42CC 2 Cycle Chainsaw, 18"
ANSWER : Depends on the saw. If it is adjustable then it will be adjusted from the bottom of the saw. Most have a diagram on the bottom showing which direction to turn the screw

18″-ml 72tfgcsoo8 the plug i have will not stay in place .
ANSWER : I would check the link is below. They supply Poulan replacement parts. luck.

Chain falling off on small load
ANSWER : New bar and chain should do the trick. ONCE IT GETS A LITTLE DULL T BUILDS UP HEAT AND STRETCHES. Use a good quality case hardened chain they last longer and are well worth the extra money.

Will not idle. must keep gas on throttle . it’s a poulan pro 42cc chainsaw
ANSWER : Replace your carburetor air filter

How to put gas and oil in it.
ANSWER : It’s one fill of petrol to one cap of two stroke oil.
If you want to put in more, that is no problem, but it will smoke a lot!