Toyota dealers across North America are now being warned to prepare for motor oil shortages, and the timing couldn’t be worse for drivers already getting hammered by rising fuel prices. What started as another global oil supply disruption tied to the war in Iran is now spilling directly into dealership service bays, with Toyota quietly telling dealers to start substituting oil weights because supply is tightening fast. More Stories Like This 140 MPH Chevy Malibu Chase Ends in Violent Highway Rol