What is an 02 sensor, what is its purpose and how to replace it? When to use nonoxygenated fuel. Classic car care. Containing fuel vapors. What could be causing vehicle vibrations and RPMs to go up at a certain speed? When a check engine light could be a glitch in the system. How to clean a radiator. Power steering problems. What happens when e85 is put in a vehicle that is not designed for it?Ask our car care expert Nick Stoffel of Lloyds Automotive. Visit lloydsautomotive.net 651-228-1316.