Checks: Exhaust Gases Recycling Circuit - CITROEN C2 Handbook

CHECKS: EXHAUST GASES RECYCLING CIRCUIT

Engine: DV4TD
B1HP15GD
Engine: DV4TED4
B1HP1K6D
[1] Manual pressure-vacuum pump
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)
780
2500
143
Tools.
: FACOM DA 16
Vacuum value
0,5 bar
0 bar
C2 - C3