CITROEN C2 - Checks: Exhaust Gases Recycling Circuit

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INJECTION
CHECKS: EXHAUST GASES RECYCLING CIRCUIT
Tools.
[1] Manual pressure-vacuum pump : FACOM DA 16
IMPERATIVE: Respect the safety and cleanliness specific to high pressure diesel injection
(HDi) engines.
EGR valve.
Connect tool [1] on the capsule take-off (2).
Apply a vacuum of approx. 0,6 bar several times to activate the rod «a».
In abruptly suppressing the vacuum, the valve should click and lock itself back on its seating.
Regulation electrovalve (EGR) (engine: 8HX - 8HW) .
Check to be performed between the electrovalve (1) and the EGR valve (2).
Link the tool [1] in series between the electrovalve (1) and the capsule (2).
Compare the values noted with those in the table below.
Regulation electrovalve (EGR) (engine: 8HV - 8HY) .
Check to be performed between the electrovalve (2) and the EGR valve (1).
Link the tool [1] in series, between the electrovalve (2) and the capsule (1).
Compare the values noted with those in the table below.
Engine speed (rpm) Vacuum value
780 0,5 bar
2500 0 bar
B1HP15GD
B1HP1K6D
Engine: DV4TD
C2 - C3
Engine: DV4TED4
Angl.-t1-page135-144-2005 9/01/06 9:19 Page 143