: Check for excessive crankcase pressure, which can indicate internal engine wear.
A truck that doesn't track straight or stay together is a safety hazard and a money pit. New vs. Used Ford Trucks in 2025: A Complete Buyer's Guide what to look for when buying a used semi truck
: Blue smoke can indicate oil burning, while excessive white or black smoke suggests fueling or aftertreatment issues. : Check for excessive crankcase pressure, which can
The engine is your most expensive component to repair, making its inspection non-negotiable. : Check for excessive crankcase pressure