Some 2010-2011 Mazda Tributes equipped with the 2.5L engine may exhibit DTCs P0016 (crankshaft position – camshaft position correlation – Bank 1 Sensor A), P052A (cold start camshaft position timing over-advanced – Bank 1) and P052B (cold start camshaft position timing over-retarded – Bank 1).
Some 2000-2011 Ford Focus vehicles may exhibit an excessive engine vibration at idle, most noticed when the transmission is engaged in reverse. This condition is caused by debris (stones, ice, snow, etc.) lodged in the rear engine roll restrictor.
If you ask any auto repair and service shop, or automotive maintenance shop, they will tell you that vehicle owner’s often fail to replace their car’s serpentine belt in a timely manner. Years ago, auto mechanics had to replace multiple v-belts when they worked on a car. Today, one belt, called a serpentine belt, replaces these.