Most stop leak additives do nothing but empty your wallet. Replace the gasket that is leaking.
You can use an oil stop-leak product to stop an oil leak on your 2002 Peugeot 206 1.4.
use leak stop or something. Where is your oil leak?
you fix the leak
I wouldn't recommend it. Replace the gasket.
Yes, it can be harmful. Use no oil treatment or stop leak at all.
If you have an engine oil leak on your 2002 Peugeot 206 1.4, you can use an oil stop-leak product to fix it.
try castrol oil stabilizer - it will stabilize the oil and reduce the leak.
It developed an leak and then for whatever reason sealed itself. Replace the oil pressure sending unit.
First take off the Carborator. Then for a quick stop problem pour pepper into the oil tank, the pepper will expand and plug the leak. Sounds crazy but it works.
Find the leak and have it repaired.
almost never
use duct tape!