Diesel engines are built to run – not sit.
At Highway and Heavy Parts, we regularly work with engines that come out of storage with unexpected performance issues. In many cases, the root cause isn’t a failed part: it’s what happened while the engine wasn’t running.
Whether it’s a backup truck, seasonal equipment, or a unit waiting on work, extended downtime can quietly create problems that don’t show up until the engine is put back into service.
And in many cases, those problems get misdiagnosed.
From fuel degradation to DEF crystallization and internal wear, here’s exactly what happens when a diesel engine sits too long – and what to look for before putting it back to work.
Continue reading What Happens When a Diesel Engine Sits Too Long? (Fuel, DEF, and Internal Damage Explained)
