Engine Protection

LX1042578-UN-29MAY07

Malfunctions in the fuel system and engine are indicated by the light (see arrow) flashing.

To protect the engine and prevent damage, there is an engine protection program that functions as follows when a serious malfunction occurs:

Malfunction	Effect
Incorrect signal from the crankshaft speed sensor	Engine power is reduced by 50%
Coolant too hot	Engine power is reduced by 20 to 60%
Fuel temperature too high	Engine power is reduced by 20%
Mixed air temperature of Exhaust Gas Recirculation (EGR) too high	Engine power is reduced by 20 to 60%
Faulty suction control valve	Engine power is reduced by 50%
Incorrect signal from sensor for fuel rail pressure	Engine power is reduced by 50%
Problem with transmission on the CAN BUS	Engine power is reduced in increments of 10% to an engine speed of 1277 rpm
Water detected in fuel	Engine power is reduced by 50%