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Truck overheating is a common problem on off-road trucks working under heavy load, dust, and long idle hours. From coolant leaks and blocked radiators to fan, belt, and circulation failures, this guide breaks down the real causes, fast checks, and reliable fixes to keep engines cool and jobs moving.
SPN 3226 FMI 20 is a common aftertreatment fault caused by NOx sensor drift, wiring issues, or real SCR/DEF performance problems. This guide explains how to diagnose and fix it efficiently.
P0138 is a common fault on off-road machinery, often caused by a failing downstream O2 sensor, wiring corrosion, or rich-running conditions. This guide breaks down real causes and proven repair steps.
Knowing how to change a fuel filter is vital maintenance. This guide provides a full walkthrough for heavy machinery, from finding the primary and secondary filters to the critical steps of pre-filling and priming to prevent air in the system.
That glowing DPF Warning Light can look scary, but it’s often just a cry for heat! Is your machine clogged with soot or the dreaded ash? Ignoring it leads to “limp mode,” but we have the fix. Discover 3 ways to clear the light, why idling is the enemy, and how to save your engine.
SPN 4364 FMI 31 indicates SCR NOx efficiency issues on off-road equipment. Learn causes, symptoms, diagnostics, and proven fixes to clear derates.
Is your transmission fluid burnt? Stop! Flushing it now could actually destroy your clutch packs. Off-road machines hate neglected fluid, but the wrong fix is worse than no fix. Discover the “half-interval” rule, the 7 deadly symptoms of failure, and how to decide between a full flush and a safe drain.
SPN 102 FMI 18 is a common fault on off-road machinery that signals low intake or boost pressure. This guide breaks down real-world causes, diagnostic steps, and proven fixes to help restore performance and prevent repeat downtime.
Is your engine losing power or smoking? Dirty injectors are a likely cause. This guide explains how to clean diesel injectors step-by-step, from disassembly and ultrasonic cleaning to reinstallation for restored performance.
Weight matters on an off-road jobsite. This guide breaks down F-250 curb weight, GVWR, and configuration differences so you can plan payload, towing, and service work with confidence.
Frequent regens, power loss, and aftertreatment warnings are often signs of a restricted DPF. This guide explains Cummins DPF cleaning methods, when cleaning works, and how proper maintenance helps extend filter life and reduce downtime.
Your Ford tractor serial number is the key to identifying the correct model year and avoiding costly part mistakes. This guide explains where to find it, how to read different formats, and how to use serial ranges to source compatible replacement parts.
