S90 L6-2.9L VIN 96 B6304S (1998)
Checking Residual Pressure
-
Switch off ignition between terminals 1 and 3 on the relay base.
-
Reinstall fuel pump relay.
NOTE: The value must not drop below 200 kPa (28.5 psi) in less than 20 minutes.
If the residual pressure is OK:
^
Proceed to: Disconnecting Pressure Gauge section below.
If residual pressure is NOT OK:
^
Fault may be due to leakage from injectors, connections, fuel pump non-return valve or lines. Repair as necessary.
Disconnecting Pressure Gauge
-
Ignition off.
-
Start draining unit.
-
Turn pressure gauge cock to mid-position.
-
Lock adapter (valve closed as in picture 1).
-
Disconnect adapter from valve.
-
Stop draining unit.
-
Reinstall equipment.
CAUTION: Remember to reinstall valve safety cap.