oblem , maybe i don`t have the gap right but don`t know what it should be, also is there a return fuel line on this saw? I don`t see one. Thanks for any help
Poulan

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Over time, the spark arrestor can become clogged with soot. If the spark arrestor is clogged, the chainsaw may run stall or run rough. To unclog the spark arrestor, remove it and clean it with a wire brush. You can also replace the spark arrestor.
The carburetor might be clogged. A clogged carburetor is often caused by leaving fuel in the chainsaw for a long period of time. Over time, some of the ingredients in the fuel will evaporate, leaving behind a thicker, stickier substance. This sticky fuel can clog up the carburetor and prevent the engine from starting.
The fuel filter might be clogged. A clogged fuel filter is often caused by leaving old fuel in the chainsaw. Over time, some of the ingredients in the fuel may evaporate, leaving behind a thicker, stickier substance. This sticky fuel can clog up the fuel filter and cause the engine to stall.
The carburetor might be clogged and needs to be cleaned.

A chainsaw`s carburetor mixes air and fuel to start the internal combustion engine. If fuel has been left in the engine for too long, it can become sticky and clog the carburetor, preventing it from starting. If the clog is minor, clean out the carburetor.

The (clear) fuel intake line runs from the top of the carburetor (straight nipple) and goes to the short post on the back of the primer bulb. The return line (blue) comes from the long post on the back of the primer bulb and goes into the bottom of the fuel tank.
If your saw idles fine, and then bogs down when pressing the throttle, then adjust your `H` screw by unscrewing. This will increase the amount of fuel to the carburetor under load. If your saw idles fine, then runs lumpy with a lot of smoke when pressing the throttle, then adjust your `H` screw by screwing in.
The letters on the screws represent High (H), Low (L) and Idle (T). The H screw regulates the Air/Fuel mix during high RPMs, while the L Screw does the same during low RPMs. The T screw regulates how much fuel is sent to the carburettor while idling until the throttle is pressed.
1. Dull chain and or improper lubrication to the bar and chain, sharpen and or clean the bars oil holes. 2. Air filter and fuel filter for restrictions and contamination, clean or replace as needed.
How long the chainsaw runs before dying depends on how badly clogged the air filter is. In the case that your chainsaw runs for a while, then dies, it may be possible to simply clean the air filter to correct this symptom. However, a damaged air filter should be replaced.
If the filter becomes clogged, not enough fuel will reach the engine for it to run properly. Because your chainsaw will idle, but dies when it is revved up to full power, it means that the filter is only partially clogged; it will allow enough fuel to the engine to run on idle, but not enough to sustain full throttle.
The two most common reasons a chainsaw won`t idle are a blocked air filter and an idle screw out of adjustment. Other possible causes include: Dirty Air Filter. Idle Screw out of Adjustment.

Discover Relevant Questions and Answers for Your Specific Issue

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Replaceing fuel line in polan 3300 chain saw – Poulan Pro 42CC 2 Cycle Chainsaw, 18"
ANSWER : Hi owjbhend…
Use a piece of wire and insert it into the fuel line, then bend a hook in the end and hook it over the end of the fuel line…lubricate the fuel line with some vaseoline very lightly…about the first one inch of the fuel line and then use your fingers to start the fuel line into the tank, once you have the fuel line in the tank give enough to hook the fuel filter to and so it can be dropped back into the tank.
Below is a drawing of how to route the fuel lines.
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Read Full Q/A … : Poulan

I KNOW THE SERIAL # BUT THE MODEL # IS WON OFF. HOW CAN I USE MY SERIAL # TO FIND THE MODEL #?
ANSWER : Take or call the saw shop and give them your serial # they should be able to tell you the model or take your saw down to the saw shop that sells your brand of saw and ask them. Good luck .

Read Full Q/A … : Poulan

Fuel line is bad and needs replaced. need to know
ANSWER : One line should be hooked to a small fuel filter or screen.
The other one is a dump or over flow that will put a small amount of unused fuel back into the tank.
You can buy this type of line at most Lawn Mower shops as a kit. 2 lines and a filer/screen.
You can use line for air shocks that fit some cars ie. Cadillac’s

Read Full Q/A … : Poulan

Poulan te 450 cxl fuel lines need routed correctly two line both in tank one to fuel filter other line?
ANSWER : Other line is just left open like to send gas back from the carb.

Read Full Q/A … : Poulan

How do I replace the fuel line for a Poulan ppbp30?
ANSWER : Open the top of the machine to access the carb, Normally it is easily done with needle nose pliers.

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The saw starts up fine, runs fine but not for long. it runs for about 1 minute and dies. like it is out of fuel or sucking air, i noticed there is no filter on the suction line and there is another nipple entering the fuel tank which appears to need a hose on it , is this just a return line, or should the long line in side the tank press on to this nipple? thanks,
ANSWER : I’ve had my pp4218 for about 2 years and the fuel lines have rotted. I’m thinging from ethanol in the gas. However, I’m replacing them and cannot tell which lines go where. Does the large line from the bubble go to the filter and the little line return?

Read Full Q/A … : Poulan

Poulan 4018 pp4018 – Poulan P4018 18Inch 40cc 2Cycle Gas Powered Easy Start Chain Saw With Case
ANSWER : Proper fuel mixture?

Read Full Q/A … : Poulan

How to replace fuel lines on a ut08514 blower
ANSWER : Go to youtube.com and watch the video and it will show you how to replace the fuel lines. Hope this helps.

Read Full Q/A … : Poulan