CHECKS : EXHAUST GASES RECYCLING CIRCUIT
Engine : 4HX
TOOL
[1] Manual vacuum pump : FACOMM DA 16.
ESSENTIAL : Respect the safety and cleanliness requirements specific to
high pressure diesel injection (HDi) engines..
Electrovalve (EGR).
- Check, not under load, between the electrovalve (3) (blue connector) and the EGR valve (2)
(tube with blue marking).
- Connect the tool [1] between the electrovalve (3) and the EGR valve (2).
- Compare readings with the values in the table below.
Butterfly housing electrovalve
- Check, not under load, between the electrovalve (4) (black connector) and the butterfly housing (1)
(Metering pump cold), (tube with white marking).
- Connect the tool [1] between the electrovalve (4) and the butterfly housing (1).
- Compare readings with the values in the table below.
Engine speed (rpm) Vacuum value (bar)
780 0.5 Bar
2500 0 Bar
B1HP1B8D
133
INJECTION
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