CITROEN C2 2004 - Page 275

271
INJECTION
CHECKS: EXHAUST GASES RECYCLING CIRCUIT
Engines: 9HZ - 9HY
B1HP1UPC
B1HP1UQC
XSARA PICASSO
Exhaust gas recycling (EGR) valve.
(1)
Exhaust gas recycling (EGR) electrovalve
NOTE: The engine ECU pilots the EGR valve.
Perform the check with the aid of a diagnostic tool.
Carry out the following operations with the diagnostic tool:
- «INJECTION» menu.
- Actuator tests.
- EGE electrovalve.
Check that you can hear the click from the EGR regulation electrovalve.
Double butterfly housing (vehicle with particle filter).
(2) Double butterfly housing.
Perform the check with the aid of a diagnostic tool.
Carry out the following operations with the diagnostic tool:
- «INJECTION» menu.
- Actuator tests.
- Butterfly.
- EGR exchanger butterfly.
Check that you can hear the click from the double butterfly housing.