July 2025

Introduction This article applies to SCANIA Euro 6 series vehicles, including the most common models such as R450, R500, G410, G450, S500, S580 and other variants equipped with a throttle-controlled EGR system.   If you are a workshop owner or fleet customer and have encountered error 5903 after replacing the valve, please note: at Arcoore, […]

EGR system problems on Volvo FH16 and FH4 Euro 6 trucks are among the most common causes of service calls. Many of them are related to diagnostic errors DTC 5903 and DTC 4203, which relate to irregularities in the operation of the EGR exhaust gas cooler.   What does DTC 5903 and DTC 4203 mean?

The air dehumidification system in trucks has a significant impact on the safety and reliability of the braking system. The air dehumidifier is responsible for removing moisture from the air supplied to the pneumatic system, which prevents corrosion and freezing of its components. As a result, the driver can be sure of the effective operation

EBS (Electronic Braking System) valves are one of the most important components of modern commercial vehicle braking systems. Their task is to precisely control braking pressure, allowing the vehicle to stop evenly and effectively. In trucks, buses or trailers, where weight and driving dynamics require advanced control, EBS valves play a key role in ensuring

Driving with a defective gear selector can lead to serious consequences that will affect the performance of the vehicle, the safety of the driver and the service life of the entire drivetrain. The gearshift mechanism plays an important role in ensuring smooth shifting of gear ratios, and its failure can result in a number of

The summer season is a time for trucks to work intensively in elevated temperatures, often under heavy loads. Failure to prepare for high temperatures can result in breakdowns, downtime and costly repairs. So before you hit the road, check out what’s worth replacing or inspecting to avoid problems during the summer season.   Cooling system

Problems with the turbo system in trucks is a topic of concern. One of the most important components in the turbocharging system is the VGT adjuster , which is responsible for adjusting the geometry of the turbocharger. Its proper operation is essential for optimal engine performance, fuel economy and environmental concerns. If the VTG adjuster

Buying truck spare parts cannot be a haphazard decision. It’s a decision that affects safety, fleet maintenance costs and its efficiency in the long run. When choosing spare parts, you should be guided not only by the price, but, above all, by the quality and reliability of the supplier. Checking a few important aspects before