MAN — Man MBE 900 Engine 2007 Operator's Guide

MBE 900 ENGINE 2007 OPERATOR'S GUIDE All information subject to change without notice. (Rev. 04/08) 125 DDC-SVC-MAN-0040 0704 Copyright © 2008 DETROIT DIESEL CORPORATION Problem—The Engine Performs Poorly, Does Not Develop Full Power Cause Remedy The air filter and/or intake air system is clogged. Check the air restriction indicator. Clean the intake air system and replace the air filter if necessary. The exhaust brake valve is malfunctioning. Have an authorized repair facility check the operation of the valve. The fuel filter is clogged. Replace the filter element. There are other problems with the fuel system. Bring the vehicle to an authorized repair facility for service.

The valves are not adjusted properly Check the valve lash. The coolant temperature sensor is damaged or reading incorrectly. Bring the vehicle to an authorized repair facility for service. The fuel temperature sensor is damaged or reading incorrectly. Bring the vehicle to an authorized repair facility for service. The engine oil temperature sensor is damaged or reading incorrectly. Bring the vehicle to an authorized repair facility for service. The charge-air temperature sensor is damaged or reading incorrectly. Bring the vehicle to an authorized repair facility for service. There are problems with the MCM or CPC. Bring the vehicle to an authorized repair facility for service.

There is internal damage to the engine. Bring the vehicle to an authorized repair facility for service.