Workshop Manuals Factory service & repair Fiat
01 General information02 Specifications03 Manufacturing data and tolerances04 Tightening torques05 Fluids and lubricants06 Maintenance07 Diagnostic checks08 Engine09 Clutch10 Gearbox and differential11 Axles and driveshafts12 Brakes13 Steering14 Suspension and wheels15 Heating, air conditioning and auxiliary units16 Electrical equipment17 Body fittings18 Body panels and frame19 Wiring diagrams and electrical functions20 Wiring harnesses21 Connectors and pin-outs22 Fault diagnosis23 Special tools
Fiat Croma Factory Service Manual (2005-2010)22 · Fault diagnosis
22 · Diagnostics

P2453 - differential pressure sensor pipe

Make
Fiat
Model
Croma Factory Service Manual
Year
2005–2010
Section
Examiner - electronic diesel management › P2453 - differential pressure sensor pipe
Fault diagnosisP2453 - differential pressure sensor pipe

P2453 - DIFFERENTIAL PRESSURE SENSOR PIPE

1.9 JTD 8v, 1.9 JTD 16v, 2.4 JTD 20v

The diagnostic equipment signals: Error P2453 (differential pressure sensor pipe).

This error is detected if the electronic control unit detects a malfunction using the differential pressure sensor internal evaluation logic.

0Preliminary checksALL OKPROBLEMS ENCOUNTEREDACTION

Select the following system on the diagnostic equipment: Diesel EDC16C39 electronic injection system. Delete the errors memorized.

Carry out the regeneration of the particle filter

Op. 0520G12 PARTICULATE FILTER (D.P.F.) - REGENERATION EXAMINER

checking that the outcome is positive

Move on to Step 1The regeneration failsContinue as described by the diagnostic equipment
1Exhaust system checkALL OKPROBLEMS ENCOUNTEREDACTION

Check that the seal of the exhaust system is correct, with particular reference to:

  • Catalytic converter
  • Particle filter
  • Temperature sensors
  • Differential pressure sensor
Move on to Step 2There are leaks or the seal is not perfectRestore the correct seal. Replace the faulty components, if necessary
2Check on the operation of the differential pressure sensorALL OKPROBLEMS ENCOUNTEREDACTION

Check correct operation of the differential pressure sensor

See Test 1080BF CHECK ON OPERATION OF DIFFERENTIAL PRESSURE SENSOR

End of diagnosis

Parts & tools for this job For 2005 Fiat Croma

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