03/04/2026
The 7.3 Power Stroke doesn’t have an injection pump. Here’s what does the job, what fails, and how to tell. The 1994.5 to 2003 7.3L (the […]
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02/22/2026
Your lift pump is the most overlooked component in the diesel fuel system — and when it fails, it takes your injection pump with it. Learn how lift pumps work, the 4-stage failure cascade from low pressure to catastrophic injection pump damage, warning signs to watch for, and whether to go OEM replacement or upgrade to FASS/AirDog. Covers Cummins VP44, Duramax CP3/CP4, Powerstroke, and agricultural applications.
02/22/2026
Most diesel additive reviews are written by people who've never opened an injector. We test and rebuild the components these products claim to protect. Here's our honest ranking of Stanadyne Performance Formula, Opti-Lube XPD, Hot Shot's EDT, Power Service, and Howes — based on what we actually see on the test bench, not marketing claims.
02/22/2026
Your diesel turbo spins at over 100,000 RPM and handles exhaust temperatures exceeding 1,200°F. When it starts to fail, the warning signs are there — if you know what to look for. Learn the 8 most common turbocharger failure symptoms, what causes them, and whether you're looking at a repair, rebuild, or replacement.
02/22/2026
A failing diesel injector doesn't just cause a rough idle — it can damage pistons, wash cylinder walls, contaminate engine oil, and lead to thousands in additional repairs if ignored. Learn the 7 most common failure symptoms, what causes injectors to fail, and when it's time to test, rebuild, or replace.
02/22/2026
The Ford 6.0L Powerstroke fires its HEUI injectors with high-pressure engine oil and a 48-volt FICM signal, so a bad injector, a weak FICM and low oil pressure can look alike. Learn the symptoms, what causes stiction and O-ring failure, how to diagnose it and what a full injector job costs.
01/14/2026
The Bosch CP4.2 injection pump in 2011+ Duramax engines is one of the most failure-prone components in modern diesel trucks. When it fails, it sends metal shavings through the entire fuel system — turning a $600 pump into an $8,000–$12,000+ catastrophe. Learn the warning signs, what causes failure, prevention options, and whether a CP3 conversion makes sense.
