2025

The John Deere 7R series is renowned for its exceptional performance and durability, even in the most demanding agricultural environments. However, like any complex machine, it can experience technical issues. One of the most common problems that can occur on a John Deere 7R is an ECU (Engine Control Unit) malfunction, identified by fault code […]

Modern engines, particularly those equipped with emission management technologies like Exhaust Gas Recirculation (EGR) systems, are sensitive to even the smallest failures of their components. One common issue with these engines is related to the throttle actuator in the exhaust system, which plays a crucial role in managing exhaust gas flow and regulating emissions. When […]

The Irizar i4 Hybrid is an intercity coach that combines a Cummins CM2350 diesel engine with hybrid technology for improved energy efficiency. Like all modern vehicles, it is equipped with an SCR after-treatment system using AdBlue (DEF) to reduce pollutant emissions. A common issue in these models involves the CB20 sensor in the AdBlue tank, […]

Understanding the Challenges of Hydraulic Diagnostics in Construction Equipment Hydraulic systems are at the core of construction machinery operations (excavators, loaders, graders, etc.). A failure or malfunction in these systems can lead to high maintenance costs, prolonged equipment downtime, and lost productivity. One of the main challenges is accurately identifying the fault and applying the […]

Volvo FH is renowned for its advanced technology and sophisticated engine management system. However, malfunctions can occur, requiring a thorough analysis of the electrical wiring diagram to identify and resolve problems. In this case study, we will look at a specific fault in the engine management system and the approach taken to resolve it. Problem […]

Farm tractors are essential equipment for agricultural production. Their efficiency and durability are crucial to ensuring optimum yields. However, even the most robust tractors can break down, often due to inadequate maintenance or natural wear and tear. In 2025, technological advances in farm machinery troubleshooting and maintenance, such as Jaltest INFO Web, are helping farmers […]