199002958 - D010 ENGINE IDLE IRREGULAR

The customer complains that: Irregular idling/vibrations
Test results
0PRELIMINARY CHECKSAll OKProblems encounteredOperation
Select the following control unit at the diagnostic equipment: Marelli Diesel Injection 6F3 EOBD CAN (EP engine 1.3 JTD).Check in the Configurations section whether the replacement of any of the following components is followed by their subsequent configuration:- injectorIn this case, carry out the configuration, checking that the outcome is positiveMove on to Step 3The outcome of the configuration is not positiveMove on to Step 1
1ERROR CHECKAll OKProblems encounteredOperation
Check whether any of the following errors are present using the diagnostic equipment:- P1301- U0001- U0426- U1700Move on to Step 31. Error P1301 is present2. Error U0001 is present3. Error U0426 is present4. Error U1700 is present1. Move on to Step 22. Continue as indicated    See table U0001 CAN line error3. Memorise the CODE. If it is not possible, replace the engine control unit    Op. 1060G80 DIESEL ELECTRONIC INJECTION CONTROL UNIT - R.R 4. Continue as indicated    See table U1700 CAN network (NCM - NBC)
2IMA CLASSIFICATIONAll OKProblems encounteredOperation
In the Configurations section on the diagnostic tester, rerun the IMA classification and ensure it is successfulEnd of diagnosisThe classification is unsuccessfulReplace the engine management control unit    Op. 1060G80 DIESEL ELECTRONIC INJECTION CONTROL UNIT - R.R
3FUEL SUPPLY CIRCUIT CHECKAll OKProblems encounteredOperation
Check the condition of the fuel supply circuit and make sure that it is working properly    See Test 1040OA FUEL SUPPLY CIRCUIT CHECKCheck the condition of the air intake circuit and make sure that it is working properly    See Test 1048OA AIR INTAKE/VACUUM CIRCUIT CHECKMove on to Step 4
4MODE PARAMETERS CHECKAll OKProblems encounteredOperation
Select the following control unit at the diagnostic equipment: Marelli Diesel Injection 6F3 EOBD CAN (EP engine 1.3 JTD).Check the value of the following parameters:- Press. Diesel measured    See Test 1060GH DIESEL PRESSURE CHECK- Pressure regulator opening (MPROP)    See Test 1060GR CHECK OPERATION OF FUEL PRESSURE SENSOR ON RAIL- Engine rpm    See Test 1060GI CHECK ENGINE SPEEDMove on to Step 5
5PREHEATING RELAY ACTIVE DIAGNOSISAll OKProblems encounteredOperation
Carry out the active diagnosis for the preheating relay, checking that the result is positive.
The check on the following system is only necessary if the outside temperature is below 0 °C.
End of diagnosisThe result of the active diagnosis is negativeMove on to Step 6
6GLOW HEATER PLUGS CHECKAll OKProblems encounteredOperation
Check that the glow heater plugs are working properly    See Test 5520CA CHECK GLOW PLUG OPERATIONEnd of diagnosis