Diesel Pickup Trucks
Power Stroke, Cummins, and Duramax maintenance — oil intervals, DPF regen, fuel systems, towing, and the fixes that keep a 3/4- and 1-ton diesel on the road.
- EGR Valve Symptoms and Cleaning on a Diesel Pickup
What the EGR system does, the signs of a clogged or stuck valve, and whether cleaning or replacement is the fix.
- Why Your Diesel Won't Start in Cold Weather
The cold-start systems on a diesel, why they struggle when it's cold, and what to check before you're stranded.
- Water in Diesel Fuel: Why It Happens and How to Drain It
Where water in diesel comes from, the damage it does to injectors, and how to drain the separator and keep tanks dry.
- Duramax L5P and LML Common Problems
The known weak points across recent Duramax diesels and the maintenance that keeps GM's 6.6 V8 reliable.
- 6.7L Cummins Common Problems and Fixes
The known issues on the 6.7 Cummins in Ram trucks, from emissions components to the CP4, and how to stay ahead of them.
- 6.7L Power Stroke Common Problems by Model Year
The known weak points of Ford's 6.7 Power Stroke, what to watch for, and which maintenance prevents the big bills.
- What Diesel Exhaust Smoke Color Tells You (Black, White, Blue)
A quick diagnostic guide to diesel smoke: what black, white, and blue exhaust mean and how urgent each one is.
- Diesel Fuel Injector Symptoms and Lifespan (CP4 Pump Risks)
How to spot failing injectors, what kills them, and why the CP4 pump is worth understanding before it fails.
- Limp Mode and Engine Derate: What Triggers It
Why your diesel suddenly lost power, the common causes of limp mode, and what to check before you panic.
- How Often to Change Diesel Fuel Filters (and How to Do It)
Why diesel fuel filters matter more than gas filters, typical intervals, and how to change them without introducing air or dirt.
- 7 Signs Your DPF Is Clogged (and What to Do)
The symptoms of a plugged diesel particulate filter, why it happens, and how to avoid an expensive cleaning or replacement.
- DPF Regeneration Explained: Passive, Active, and Forced Regen
What your diesel's particulate filter does, the three kinds of regen, and what to do when the regen light comes on.
- Best Oil for a Diesel Pickup: CK-4 Specs and Viscosity by Climate
How to pick the right diesel engine oil: what CK-4 means, which viscosity to run, and how heat and towing change the choice.
- Diesel Pickup Oil Change Intervals: Power Stroke, Cummins & Duramax
How often to change the oil in a diesel pickup, why the interval differs from gas, and how towing and short trips change the math.