Does a Diesel Engine Have a Spark Plug? (No — Here's What It Uses Instead)
Diesel engines don't use spark plugs — they rely on compression ignition. Learn how diesels actually start fuel burning, what glow plugs really do, and when to replace them.
USA Diesel Finder Blog
Maintenance, diagnostics, DPF and emissions, fleet, RV & ag, cost guides and state regulations — written mechanic-to-owner.
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Maintenance
Maintenance
Diesel Fuel Explained: Cetane, Gelling and Storage Life
Diesel fuel isn't one simple liquid — cetane rating, temperature, and age all change how it burns and how long it lasts. Learn what cetane number really measures, why diesel gels in cold weather, how to prevent it, and how long you can safely store fuel before it breaks down.
Maintenance
Diesel Engine Families Explained: Power Stroke, Cummins & 3.0 Duramax
Ford Power Stroke, Ram Cummins, and GM Duramax — including the light-duty 3.0 Duramax — each follow different service intervals and wear patterns. Here's what sets them apart and how to keep each one running right.