Special Features: Forced Regeneration Of The Particle Filter - CITROEN C4 2004 Handbook

SPECIAL FEATURES: FORCED REGENERATION OF THE PARTICLE FILTER

Tools.
Diagnostic stations : LEXIA or PROXIA.
Imperative: Respect the safety and cleanliness requirements.
Forced regeneration of the particle filter.
IMPERATIVE: Respect the safety and cleanliness requirements specific to HDi engines.
ESSENTIAL: Connect the vehicle to a gas extractor approved for this type of operation.
In the absence of the required installations, carry out the forced regeneration of the particle filter outside the workshop, in a concreted area well away
from any inflammable materials. Place the vehicle in the high position.
WARNING: Check that the fuel level is sufficient (at least 20 litres).
Start the engine and allow it to warm up (60°C minimum).
Connect the diagnostic tool to the vehicle's central socket.
Trigger the regeneration cycle, with the diagnostic tool.
Automatic running of the regeneration cycle of the particle filter.
Autocheck by the engine ECU.
Stabilisation of engine speed at 4000 rpm, operating with post injection.
Change to idling speed (for 30 seconds).
Stabilisation of engine speed at 3000 rpm, checking of the efficiency of the regeneration of the particle filter.
Change to idling speed.
NOTE: Let the engine run at idling speed for the benefit of cooling.
Stop the engine.
IMPERATIVE: Wait for at least an hour before any operation on the exhaust line.
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