199002657 - W010 BLACK EXHAUST FUMES
The customer complains of: Excessive black/grey fumes| Test results | ||||||
| 0 | PRELIMINARY CHECKS | All OK | Problems encountered | Operation | ||
|---|---|---|---|---|---|---|
| Check that the engine oil level is correct Op. 0010T11 ENGINE OIL - CHECK LEVEL AND TOP UP, IF NECESSARY | Move on to Step 1 | Oil level incorrect | Restore the correct engine oil level Op. 0010T11 ENGINE OIL - CHECK LEVEL AND TOP UP, IF NECESSARY | |||
| 1 | AMBIENT PARAMETERS CHECK | All OK | Problems encountered | Operation | ||
| 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:- Coolant temperature See Test 1060OE ENGINE COOLANT TEMPERATURE SENSOR OPERATION CHECK- Diesel temperature See Test 1060EA DIESEL TEMPERATURE CHECK- Air temperature (debimeter) See Test 1060GK CHECK CONTROL UNIT SOFTWARE AND HARDWARE. Atmospheric pressure See Test 1060GD ATMOSPHERIC PRESSURE CHECK | Move on to Step 2 | |||||
| 2 | CHECK SUPPLY AND INTAKE CIRCUIT | All OK | Problems encountered | Operation | ||
| Check that the air intake/vacuum circuit is working properly See Test 1048OA AIR INTAKE/VACUUM CIRCUIT CHECKCheck the condition of the fuel supply circuit and make sure that it is working properly See Test 1040OA FUEL SUPPLY CIRCUIT CHECK | Move on to Step 3 | |||||
| 3 | ERRORS IN CONTROL UNIT CHECK | All OK | Problems encountered | Operation | ||
| Select the following control unit at the diagnostic equipment: Marelli Diesel Injection 6F3 EOBD CAN (EP engine 1.3 JTD).Check that the following error is present:- P0005 – High pressure pump Shut OFF valve | Move on to Step 4 | Error P0005 is not present | Replace the injector that gave a negative result during active diagnosis Op. 1060F10 FUEL INJECTORS - R.R. | |||
| 4 | HIGH PRESSURE CHECK | All OK | Problems encountered | Operation | ||
| Connect the diagnostic equipment to the diagnostic socket.Check that the diesel pressure parameter is correct See Test 1060OD HIGH PRESSURE FUEL CIRCUIT CHECK | Move on to Step 10 | Pressure not correct | Move on to Step 5 | |||
| 5 | LOW RETURN PRESSURE CHECK | All OK | Problems encountered | Operation | ||
| that the pressure in the return pipe to the tank is less than 1 bar See Test 1060OA LOW FUEL RETURN PRESSURE CIRCUIT CHECK | Move on to Step 6 | Pressure above the maximum limit: return pipe to the tank obstructed | Repair the pipe and replace if necessary | |||
| 6 | LOW SUPPLY PRESSURE CHECK | All OK | Problems encountered | Operation | ||
| Check that the difference in pressure upstream and downstream of the filter is less than 1 bar | Move on to Step 7 | Difference in pressure more than 1 bar | Replace the fuel filter cartridge Op. 1044B10 FUEL FILTER ASSEMBLY - R + R OR REPLACE | |||
| 7 | LOW SUPPLY PRESSURE CHECK | All OK | Problems encountered | Operation | ||
| Check that the supply pump pressure at the filter inlet is more than 2.2 bar (75 bhp) or 4.5 bars (90 bhp) | Move on to Step 10 | Pressure lower than 2 bars (75 bhp) or 4.5 bar (90 bhp) | Move on to Step 8 | |||
| 8 | LOW SUPPLY PRESSURE CHECK | All OK | Problems encountered | Operation | ||
| Measure the difference in pressure between the electrical pump outlet and the filter inlet checking that it is less than 0.3 bar | Move on to Step 9 | Difference in pressure more than 0.3 bar | Replace the pipe | |||
| 9 | LOW SUPPLY PRESSURE CHECK | All OK | Problems encountered | Operation | ||
| Check that the pump supply voltage is equal to 12V and that the current uptake is between 2 and 10 A See Test 1040AA CHECK ON SUPPLY VOLTAGE AND CURRENT UPTAKE | Move on to Step 10 | 1. Voltage lower than 12 V2. Current greater than 10 A: pump defective3. Current less than 2 A: pump obstructed | 1. Check electrical wiring See E5050 DIESEL ENGINES ELECTRONIC MANAGEMENT 2. Replace the fuel pump Op. 1040A70 SUBMERGED PUMP ASSEMBLY COMPLETE WITH LEVEL GAUGE CONTROL - R + R 3. Replace the fuel pump and clean the fuel tank Op. 1040A70 SUBMERGED PUMP ASSEMBLY COMPLETE WITH LEVEL GAUGE CONTROL - R + R | |||
| 10 | AMBIENT PARAMETERS CHECK | All OK | Problems encountered | Operation | ||
| 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:- Measured Diesel pressure See Test 1060GH DIESEL PRESSURE CHECK- Pressure regulator opening (MPROP) See Test 1060GR CHECK OPERATION OF FUEL PRESSURE SENSOR ON RAIL | Move on to Step 11 | |||||
| 11 | PREHEATING RELAY ACTIVE DIAGNOSIS | All OK | Problems encountered | Operation | ||
Carry out the active diagnosis for the preheating relay, checking that the result is positive.
| Move on to Step 13 | The result of the active diagnosis is negative | Move on to Step 12 | |||
| 12 | HEATER PLUGS CHECK | All OK | Problems encountered | Operation | ||
| Check that the heater plugs are working properly See Test 5520CA CHECK GLOW PLUG OPERATION | Move on to Step 13 | |||||
| 13 | CHECK CORRECT OPERATION | All OK | Problems encountered | Operation | ||
| Replace the high pressure pump and check that the fault is no longer present Op. 1060E10 DIESEL INJECTION PRESSURE PUMP - R.R. | End of diagnosis | Fault persists | Contact the Service Department for further information on the problem | |||
