Rossi: Death and taxes - Understanding how 'step-up in basis' works. An IRS building in a file photo. It is often said the only certainties in life are death and taxes. Thanks to estate and inheritance tax, it is not uncommon for them to occur simultaneously.
Probable Causes: An engine that hesitates, stumbles or misfires when accelerating or when it is under load, is an engine that is either sucking too much air, not getting enough fuel, or misfiring. If there are no misfire codes, a common cause of acceleration stumble is a bad throttle position sensor (TPS).
3 Causes of Engine Knock. Engine knock is among the most disturbing problems a vehicle can have, but not many people know what it is, or how it is caused. Basically, engine knock (also known as pinging, detonation and spark knock) occurs when the air/fuel mixture inside a cylinder is incorrect, which makes the fuel burn unevenly.