1A
Table 17: Blue, White or Black Smoke
Troubleshooting
Step Action YES NO
1
Check that the fuel tank is correctly filled and that the fuel type is suitable.
Is the fuel type suitable and the tank correctly filled?
Go to Step 2.
Refill the fuel tank correctly.
2
Check the following:
Check the engine parameters referring to Test 4: Parameter Check:K9K .
Check the air inlet circuit referring to Test 5: Air Inlet Circuit Check:K9K .
Is it in good condition?
Go to Step 2.
Carry out the required repairs.
3
Is the engine oil and coolant level correct?
Go to Step 4.
Top up the oil and coolant.
4
Check the low pressure circuit referring to Test 1: Low Pressure Circuit Check:K9K .
Is it in good condition?
Go to Step 5.
Carry out the required repairs.
5
Is the catalytic converter clogged or damaged?
Replace the catalytic converter.
Go to Step 6.
6
Check that the engine has aspirated its oil (engine racing).
Is it in good condition?
Go to Step 7.
Carry out the required repairs.
7
Check that the glow plugs are working properly.
Is the glow plug resistance above 1 Ω?
Replace the glow plugs.
Go to Step 8.
8
Are the compressions correct?
Go to Step 9.
Carry out the required repairs.
9
Check the injectors referring to Test 3: Injector Check:K9K .
Is it in good condition?
End of fault finding.
Carry out the required repairs.