CITROEN C6 Technical Information PDF herunterladen (Seite 100)

INJECTION

CHECKS: LOW PRESSURE FUEL SUPPLY CIRCUIT

Engine: DT17BTED4

Checks on pressure: static.

Switch on the ignition.

For 3 seconds (normal functioning):

- Fuel supply pressure shown by the pressure gauge [3] = 1.1 ± 0.4 bar.

- Fuel return pressure shown by the pressure gauge [3] = 2 ± 0.5 bar.

Abnormal functioning:

Fuel supply Fuel return

Checks

pressure pressure

Between 2 and 3 bar 0.8 ± 0.4 bar Check the condition of the diesel fuel filter

More than 3 bar More than 0.8 bar Check the fuel return circuit (pipe pinched)

Between

Less than 0.8 bar

Check the fuel suppy circuit :

0.3 and 0.5 bar Booster pump (low pressure), piping

Impossible to start the engine:

- Fuel supply pressure less than 0.3 bar.

B1BP3CRD

Angl-C6-page83-100-2005 4/02/05 17:22 Page 94

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CITROEN C6 Technical Information Seite 100