gail, trouble shooting pressure washer small engine will not fire. You will have to test the engine for fuel/air/spark/compression and see what is missing/faulty. Check the attached links,instruction and guides, Good luck

I hope this helped you out, if so let me know by pressing the helpful button.

http://www.repairfaq.org/samnew/lmfaq/lm...

https://www.briggsandstratton.com/na/en_...

http://www.jackssmallengines.com/diy/tro...

http://www.repairclinic.com/RepairHelp/H...

http://farmforum.ca/article/diagnose-sma...