Weedeater very hard starting or not starting at all

It is either the tether or the non-return that lets air in, but doesn't let gas out. Most parts are obsolete.

Trimmer parts list - Weedeater Featherlite

http://www.weedeaterfeatherlite.com > parts

Weedeater Parts · 1. Handle · 2. Isolator-Handle · 3. Nut · 4. Screw · 5. Shroud · 6. Shield-Heat · 7. Screw · 8. Screw

Weed Eater Featherlite Type 1 Gas Trimmer Parts

https://www.ereplacementparts.com > weed-eater-feathe...

Need to fix your Featherlite Type 1 Gas Trimmer? Use our part lists, interactive diagrams, accessories and expert repair advice to make your repairs easy.

Featherlite (Type 1) Weed Eater Trimmer - PartSelect

https://www.partselect.com > MFGModelNumber

Get Parts and Repair Help for FEATHERLITE Weed Eater Trimmer - Gas Trimmer. View parts like Engine Fuel Filter and Fuel Line.

https://www.ereplacementparts.com/weed-eater-featherlite-type-gas-trimmer-parts-c-17589_17626_18058.html

see attached check sheet

Your Poulan should have a green button on the side of it. Push and hold it. While most models have a green button, your may not. In that case, obtain the model number off the weedeater, go to Poulan.com/customer service and download the manual for your machine

It barely has a motor. No it has no need for compression relief.

One cause of such a symptom could be an obstructed exhaust. Make sure the outlet of the muffler is not obstructed (ex. dirt dobber nest), also check the exhaust port by removing the muffler.

May I get the model # of the weedeater to help you more

Do you let it warm up? If you don't, let it. I start mine and let it run on half choke until warm then to run.

You may need a new spark plug or have a dirty carb. Either one or both can cause your problem.

yes, there is a spark module, but it's highly unlikely that two would have a bad module - more than likely, it is your gas mix. it must be fresh for the engine to run. the gas we have today will go bad in about a month and a half. if you happen to live in an area that has E85, forget it. small engines will not run very long, if at all on this junk. in some areas, you can get gas without alcohol, but it can only be used for lawn & garden equipment. it's expensive, but your engines will run