Peugeot/Citroen Cleaning Replacement DPF
Supported coding features by PSACOM diagnostic tool https://www.obdtester.com/psacom
Cleaning / Replacement of Diesel Particulate Filter (DPF)
What it does
- Performs cleaning or replacement of the DPF
- Ensures proper exhaust flow and emissions compliance
- Synchronizes DPF parameters with the engine control unit (ECU)
When it is required
- After DPF blockage or high soot load
- After replacing the DPF unit
- When fault codes or warning lights related to DPF appear
- Following engine or exhaust system repairs affecting DPF
Conditions that must be met
- Vehicle stationary
- Ignition ON
- Stable battery voltage
- Engine at operating temperature (if cleaning procedure requires)
- Diagnostic tool connected
What happens during the procedure
- ECU clears DPF-related error codes
- New DPF parameters or soot values are stored
- Regeneration or cleaning cycles may be initiated
- System monitors exhaust backpressure and temperature
If procedure is not performed
- DPF warning light may remain active
- Regeneration may fail or be inconsistent
- Reduced engine performance
- Potential emissions non-compliance
After procedure
- Verify DPF status in live data
- Check soot and regeneration counters
- Confirm warning lights are cleared
- Perform test drive if required