Mercedes Archives

Mercedes MBE 900 Turbo Boost Performance Code Troubleshooting

Troubleshooting and Repair turbo boost performance code Mercedes MBE 900 Diesel Engine The Turbo Boost Performance code means just what it says. There is a low boost reading that the motor control module (MCM) has detected and that’s the reason for the fault code on the dash. The Detroit Diesel Diagnostic Software is a tool… Continue reading Mercedes MBE 900 Turbo Boost Performance Code Troubleshooting

EGR Code Repair Mercedes Diesel Engine

Results From Replacing EGR Valve After replacing the EGR Valve it fixed the engine code problem and the engine is back to speed. The code was indicating the EGR was in the wrong position. The old part was gummed up and that caused the valve to stick. The driver said he noticed the codes on… Continue reading EGR Code Repair Mercedes Diesel Engine

Mercedes MBE 900 Testing Injectors – Pusher School Bus

Working On Non Emission Diesel Engines This Mercedes model is a 2004 so there are no emission components. These models are very reliable and the only trouble we’ve had is the overflow valve located between #5 and #6 cylinder which regulates the return fuel back to the tank. If you experience a power problem the… Continue reading Mercedes MBE 900 Testing Injectors – Pusher School Bus

School Bus Module and Mercedes Diesel Engine Code Problem

Voltage Leakage with Interface Modules Another problem we are dealing with is the VIM vehicle interface modules especially on the HDX Thomas pusher buses. They are exposed to the elements and attract corrosion and since they have cooling vents to the atmosphere this causes voltage to creep over and energize other circuits. On one of… Continue reading School Bus Module and Mercedes Diesel Engine Code Problem