272
INJECTION
CHECKS: EXHAUST GASES RECYCLING CIRCUIT
Engines: RHY - RHZ
XSARA PICASSO
Tools.
[1]
Manual vacuum pump : FACOM 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) Vacuum value
780 0,5
2500 0
B1HP12GD