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
REMOVING AND INSTALLING/REPLACING LEFT FRONT FOG LAMP
Necessary preliminary tasks:
Remove left grille in bumper trim.
Grasp grille through opening.
Disconnect plug connection (1).
Release screws (2).
Slide fog light (3) slightly towards center of vehicle and remove towards rear.
Fig. 20: Iden
NOTE: Initialization comprises:
Normalization
Learning characteristic curve
The mechanical end positions are recorded and stored during normalization.
The characteristic curve is learned immediately after normalization.
When the characteristic curve is learned, the mechanical closing forces of