DME 7.8 DME 7.80 · Work instruction Display OK

DME 7.8 DME 7.80 Work instruction Display OK If not OK 3 Check fuel pressure regu- ♦Remove vacuum hose from fuel 0.4 - 0.6 bar Check the intake air lator, vacuum connection pressure regulator system for leaks and fuel return line ♦Connect special tool 9103/2 to and check vacuum line to fuel pressure vacuum hose regulator for restric- ♦Start the engine. tions. ♦Check housing of fuel pressure Replace the fuel regulator for damage and defor- pressure regulator if mation it is damaged with the result that the spring pre-tension- ing is increased 4 Check fuel injectors for leaks 0-102.5 page 2 2469 P1108 p1108 Printed in Germany – 6, 2002