NOTES ON FUEL PRESSURE CHECK (REFERENCE PRESSURE: ENVIRONMENT)
Feature of this version with ambient pressure:
The connection for the vacuum hose of the fuel pressure regulator is located
between the
REPLACING COMPLETE INJECTION PIPE (N52/ N52K)
Special tools required:
13 5 281
Necessary preliminary tasks:
Read out fault memory of DME control unit
Switch off ignition
Remove clean air pipe
IMPORTANT: Only brake test stands (analyzers) with test speeds of 2.5 -
6 km/h may be used.
Before driving onto the brake test stand (dynamic brake analyzer), switch off
the Hill Descent Control (HDC) and keep it switched off while testing the
brakes.
The HDC indicator lamp must not light up!
NOT
Principle
The current fill level of the fuel tank is displayed.
General information
Vehicle inclination may cause the display to vary.
Additional information:
Refueling.
Display
An arrow next to the fuel pump
symbol indicates the vehicle side
on which the fuel filler flap is located.
The current r