What if you don't use genuine stihl oil?

Where is the PCV valve on a 2005 Chevy uplander? How do you remove the window crank on a 1985 Oldsmobile? What is the current law for children riding in the front seat in Texas? BMW 2008 328xi have a timing chain or a belt? What do you use to shine pergo flooring? How do I find commecial janitorial services? Is a 99 Saturn sl2 twin cam and single cam block the same? How do you turn off the airbag on 2009 Camry? What are the advantages and disadvantages of a spur gear? What is best for cleaning aluminum wheels? Does a bad starter makes your civic stall? Can a vehicle be impounded or forfeited for a dui? Would a busted throttle cable cause a car to not run? Moving cattle from one place to another? How do you fix a water leaking in my corsa? What do you do when you have put to much oil in a car? Do you need to flush your ac when changing the compressor? Should new rotors have scratch marks on them with new pads? My 82 Datsun truck will not start When you put in the key and turn it start all the lights and raido work but when you turn it all the way nothing happensWe have checked the starter rely killswitch? How do you enter a radio code on a cd30 radio?

What if you don't use genuine stihl oil?