262
INJECTION
CHECKING THE AIR SUPPLY CIRCUIT
Tools.
[1] Manual pressure-vacuum pump : FACOM DA 16
Chec
ks.
Vacuum pump.
Connect the tool [1] onto the vacuum pump (1).
Start the engine.
Wait 30 seconds.
The vacuum value should be 0.9 ± 0.1 bar at idle.
NOTE: The exhaust gas recycling valve is not linked to the air supply circuit.
The exhaust gas recycling electrovalve is controlled by the engine ECU.
Turbocharging pressure regulation valve.
- Connect the tool [1] on the valve (2) (tube identified by the colour grey).
- Appy a vacuum of approx. 0.8 bar.
- Rod "a" should move 12 ± 2 mm.
B1HP1UGC
B1HP1UHC
Engines: 9HY - 9HZ
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