CITROEN 2002 BERLINGO - Checks: Exhaust Gases Recycling Circuit; Exhaust Gas Reycling (EGR) Electrovalve

149
INJECTION
CHECKS : EXHAUST GASES RECYCLING CIRCUIT
Engine : RHY
XSARA - XSARA PICASSO
TOOLS
[1] Manual vacuum pump : FACOMM DA 16.
IMPERATIVE : Respect the safety and cleanliness requirements.
EGR valve
- Connect the tool [1] to the capsule union (1).
- Apply, several times in succession, a vacuum of approx. 0.6 bar to activate the rod "a".
- In abrupt reaction to the vacuum, the valve should close on its seating with a clicking noise.
Exhaust gas reycling (EGR) electrovalve.
- Check, not under load, between the electrovalve (2) and the EGR valve (1).
- Connect the tool [1] between the electrovalve (2) and the capsule (1).
- Compare readings with the values in the table below.
Engine speed (rpm) Pressure (Bar)
780 0.5
2500 0
B1HP12GD