How-tos

Access step-by-step repair and maintenance guides to keep your off-road equipment running smoothly with our expert tips!

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JLG Fault Codes List, Diagnosis, and Repair
Jan 2, 2026

JLG Fault Codes List, Diagnosis, and Repair

A JLG fault code has stopped your job. But what if the code isn’t the real problem? Our guide reveals the simple checks to decode JLG Fault Codes, find the root cause from engine to electrical, and fix it right. Stop guessing and get back to work fast!

Does Diesel Fuel Go Bad & How Long Can It Sit In Your Tank?
Jan 2, 2026

Does Diesel Fuel Go Bad & How Long Can It Sit In Your Tank?

How long does diesel fuel last? Typically 6-12 months, but it can degrade much faster. Oxidation, water, and microbes are the main culprits behind bad fuel, which leads to clogged filters and potential engine damage for your equipment.

How to Clear Bobcat Error Codes
Jan 1, 2026

How to Clear Bobcat Error Codes

A Bobcat error code just flashed on your screen. Now what? Before you spend money on a service call, read this. We break down the simple, step-by-step process to find the real cause, fix it yourself, and get that code to clear for good. Stop guessing and start fixing.

Troubleshooting Truck Fault Code SPN 171 FMI 3
Jan 1, 2026

Troubleshooting Truck Fault Code SPN 171 FMI 3

SPN 171 FMI 3 is a common fault code in off-road machinery that points to an ambient air temperature sensor circuit voltage issue. While the equipment may continue operating, this fault can affect fuel efficiency, emissions control, and cold-start performance if left unresolved. In this guide, we break down what the SPN 171 FMI 3 code means, its most common causes in harsh working environments, and step-by-step troubleshooting methods to help you diagnose the problem accurately and restore reliable machine operation.

What is Cummins Engine SPN 6713 FMI 9 & How to Solve It?
Dec 31, 2025

What is Cummins Engine SPN 6713 FMI 9 & How to Solve It?

SPN 6713 FMI 9 is a common but often misunderstood fault on Cummins-powered off-road machines, typically linked to an unstable turbocharger compressor outlet temperature signal. In demanding environments filled with heat, vibration, and dust, this code can trigger power derates, warning lamps, and unpredictable engine behavior. This guide explains what the fault really indicates, why it appears under real working conditions, and how to diagnose it systematically—starting with harness and connector checks before moving to sensor replacement—so operators can restore reliable performance and avoid repeat shutdowns during heavy-duty operation.

Bobcat Fault Codes List: Meanings, Categories, and First Checks
Dec 31, 2025

Bobcat Fault Codes List: Meanings, Categories, and First Checks

Your Bobcat is sending you a message! M01-10 isn’t just a random number—it’s a critical warning. Our guide deciphers all Bobcat Fault Codes, helping you prevent costly damage before it happens. Learn the language of your machine and become a pro troubleshooter.

Why Your Engine Starts But Won’t Stay Running?
Dec 30, 2025

Why Your Engine Starts But Won’t Stay Running?

If your heavy equipment engine starts but won’t stay running, the cause is often a lack of fuel, air, or a sensor failure. Our guide walks you through diagnosing common culprits like clogged filters, bad fuel pumps, and failing solenoids.

Volvo Fault Codes List Meanings, Checks, and What to Do
Dec 30, 2025

Volvo Fault Codes List Meanings, Checks, and What to Do

That blinking warning on your dash isn’t random—it’s your machine talking. But what is it saying? We translate the secret language of Volvo fault codes. This guide decodes the MID, PID, and FMI mystery into plain English, giving you clear, safe steps to fix common issues and get back to work, fast.

What is SPN 111 FMI 3 Code? How to Solve It?
Dec 29, 2025

What is SPN 111 FMI 3 Code? How to Solve It?

SPN 111 FMI 3 is a common fault code in off-road equipment that indicates an abnormally high voltage in the coolant level sensor circuit. While the machine may continue running, this issue can trigger false warnings and conceal real cooling system problems. This guide explains what SPN 111 FMI 3 means, why it occurs, and how to diagnose and fix the fault through proper circuit testing, sensor inspection, and reliable replacement solutions—helping prevent overheating and unplanned downtime.

DTC P0523 – Engine Oil Pressure Sensor Circuit High
Dec 28, 2025

DTC P0523 – Engine Oil Pressure Sensor Circuit High

The P0523 trouble code points to a high voltage signal from your engine’s oil pressure sensor. Common symptoms include a check engine light and poor performance. This guide walks you through diagnosing the issue, from checking wiring to testing the sensor.

What is the P0328 Code? How to Fix it?
Dec 27, 2025

What is the P0328 Code? How to Fix it?

When an off-road machine sets a P0328 code, it’s rarely just a bad sensor. In harsh jobsite conditions, this fault often points to wiring damage, grounding issues, overheating, or real knock caused by heavy load and poor combustion control. This guide breaks down what the P0328 code really means on heavy equipment, the most common causes we see in the field, the symptoms operators actually notice during work cycles, and a practical diagnostic process that helps you fix the problem without wasting time or replacing parts blindly.

How to Read a Crane Load Chart? Easy Guide
Dec 26, 2025

How to Read a Crane Load Chart? Easy Guide

Understanding a crane load chart is essential for safe and efficient lifting operations, especially in off-road and rough-terrain environments. This guide explains how boom length, lifting radius, counterweight configuration, and ground conditions interact to affect lifting capacity. By following a clear step-by-step method and avoiding common mistakes, operators can accurately determine safe loads, reduce risk, and improve overall jobsite performance.