269
INJECTION
CHECKING THE AIR SUPPLY CIRCUIT
Engines: RHY - RHZ
XSARA PICASSO
Tools.
[1] Manual vacuum pump : FACOM DA 16
IMPERATIVE: Respect the safety and cleanliness requirements.
Vacuum pump.
- Connect the tool [1] on the vacuum pump (1).
- Start the engine.
- Pressure should be
0.8 bar at 780 rpm.
Boost pressure regulator electrovalve.
- Connect the tool [1] between the electrovalve (2) and the valve (3) of the boost pressure
regulator.
Compare readings with the values in the table below.
Pressure regulator valve.
- Connect the tool [1] on the valve (3).
- Appy a pressure of 0.5 bar to activate the rod "a":
- Rod "a" should be moved 12 mm.
Engine speed (rpm) Pressure (Bar)
780 0,6
4000 0,25
B1HP12FD
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