SPN 639 FMI 2 points to unstable CAN communication that can trigger derates, gauge failures, and intermittent faults. This guide breaks down the real causes—from wiring and connectors to power supply issues—and provides a practical step-by-step diagnostic process. Learn how to test network resistance, isolate faulty sections, and fix problems efficiently without replacing parts blindly.
One spins, one stays still. One makes magnetism, the other makes power. In the Stator vs. Rotor showdown, a failure in either one will kill your machine’s battery. Learn to tell them apart by their unique failure symptoms and become the expert on your own repairs.
Need a diagram of what wires go to the starter solenoid? This guide explains the B, S, and M terminals for heavy equipment. We cover the correct wiring process, safety protocols, and troubleshooting a no-crank situation.
This guide explains Cummins fault codes for M11 and N14 CELECT engines, helping you quickly diagnose issues in demanding off-road conditions. Learn how to interpret sensor, injector, and protection codes, perform targeted checks, and avoid guesswork when troubleshooting. With the right approach, you can reduce downtime, prevent engine damage, and make accurate parts decisions.
Engine shaking at idle? Don’t just blame the engine! A faulty fan clutch can cause a rough idle by dragging it down or creating massive vibration. Discover the surprising symptoms and learn our 3 simple tests to diagnose the problem before it gets worse. Your radiator will thank you!
Explore the key 2026 Construction Trends as the industry shifts to a data-first model. This overview covers the rise of digital twins, the increasing value of modular buildings, and how connected jobsites are changing risk and maintenance.
This guide covers John Deere X700 specs, maintenance practices, and a reliable parts lookup process. Learn how to track serial numbers, match deck configurations, and maintain belts, spindles, and cooling systems to prevent downtime. With the right approach, you can improve performance, extend component life, and avoid costly ordering mistakes.
Engine roaring louder than usual? Overheating in traffic? Your fan clutch might be failing, silently robbing you of power and fuel. Before you suspect a bigger issue, learn the 5 tell-tale symptoms and how a simple, no-tool “spin test” can diagnose a bad fan clutch in minutes. Find out now!
A faulty EGT sensor can sideline your machine. This guide covers key exhaust gas temperature sensor failure symptoms, including power loss, poor fuel economy, and DPF regen problems. Learn to diagnose the issue and prevent downtime.
This guide covers John Deere 3025E specs, common issues, and a practical parts lookup process to avoid wrong orders. Learn how to match parts using serial numbers, maintain filters and cooling systems, and troubleshoot power, hydraulic, and starting problems to keep your tractor running efficiently.
Stuck with a stubborn fan clutch and no special tool? You’re not alone. This guide reveals 3 field-tested tricks using just a hammer or pry bar to break it loose. Turn frustration into a quick fix and get your machine running again. It’s easier than you think!
When tracing the year of your MF tractors, you must locate the serial number plate. Luckily, the serial number plate locations across many MF models are very similar. It is commonly seen in one or more of the following locations, depending on the year and series.
