Nissan Qashqai (2007-2010). Manual — part 487
ENGINE SMOKES WHEN STARTED
EC-1467
< SYMPTOM DIAGNOSIS >
[K9K]
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ENGINE SMOKES WHEN STARTED
Description
INFOID:0000000000912099
CHART 18: ENGINE SMOKES WHEN STARTED
Diagnosis Procedure
INFOID:0000000000912100
1.
CHECK ENGINE OIL
Check the grade of engine oil. Refer to
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Replace engine oil. Refer to
2.
CHECK ENGINE OIL LEVEL
Is the engine oil level correct?
Yes or No
Yes
>> GO TO 3.
No
>> Top up the oil.
3.
CHECK FUEL PUMP TEMPERATURE SENSOR
Check fuel pump temperature sensor. Refer to
EC-1348, "Component Inspection"
.
Is the inspection result normal?
Yes
>> GO TO 4.
No
>> Repair or replace.
4.
CHECK ENGINE COOLANT TEMPERATURE SENSOR
Check engine coolant temperature sensor. Refer to
EC-1344, "Component Inspection"
Is the inspection result normal?
Yes
>> GO TO 5.
No
>> Repair or replace.
5.
CHECK COOLING SYSTEM
Check the cooling system. Refer to
CO-48, "Troubleshooting Chart"
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Repair or replace.
6.
CHECK HIGH PRESSURE SUPPLY PUMP (PRESSURE CONTROL VALVE)
Perform the TEST 3: HIGH PRESSURE SUPPLY PUMP (PRESSURE CONTROL VALVE). Refer to
.
>> GO TO 7.
7.
CHECK HIGH PRESSURE SUPPLY PUMP (VOLUMETRIC CONTROL VALVE)
Perform the TEST 4: HIGH PRESSURE SUPPLY PUMP (VOLUMETRIC CONTROL VALVE). Refer to
.
>> GO TO 8.
8.
CHECK RAIL HIGH PRESSURE CONTROL CIRCUIT
Perform the TEST 5: RAIL HIGH PRESSURE CONTROL CIRCUIT CHECK. Refer to
INSPECTION : Special Repair Requirement (TEST 5: Rail High Pressure Regulation Check)"
.
>> INSPECTION END
EC-1468
< SYMPTOM DIAGNOSIS >
[K9K]
ENGINE EMITS BLUE SMOKE
ENGINE EMITS BLUE SMOKE
Description
INFOID:0000000000912102
CHART 19: ENGINE EMITS BLUE SMOKE
Diagnosis Procedure
INFOID:0000000000912103
1.
CHECK ENGINE OIL
Check the grade of engine oil. Refer to
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Replace engine oil. Refer to
2.
CHECK ENGINE OIL LEVEL
Is the engine oil level correct?
Yes or No
Yes
>> GO TO 3.
No
>> Top up the oil.
3.
CHECK FUEL
Check that the fuel reservoir is correctly filled and with the right fuel.
>> GO TO 4.
4.
CHECK ENGINE COOLANT TEMPERATURE SENSOR
Check engine coolant temperature sensor. Refer to
EC-1344, "Component Inspection"
Is the inspection result normal?
Yes
>> GO TO 5.
No
>> Repair or replace.
5.
CHECK AIR INTAKE SYSTEM
Check air intake system. Refer to
EM-265, "Removal and Installation"
.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Repair or replace air intake system.
6.
CHECK ELECTRIC THROTTLE CONTROL ACTUATOR
Check electric throttle control actuator. Refer to
EC-1345, "Diagnosis Procedure"
.
Is the inspection result normal?
YES
>> GO TO 7.
NO
>> Repair or replace.
7.
CHECK MASS AIR FLOW SENSOR
Check mass air flow sensor. Refer to
EC-1337, "Component Inspection"
.
Is the inspection result normal?
YES
>> GO TO 8.
NO
>> Repair or replace.
8.
CHECK TURBOCHARGER
Check that the turbocharger is working properly. Refer to
EC-1410, "Diagnosis Procedure"
.
Is the turbocharger correct?
Yes
>> GO TO 9.
No
>> Repair or replace.
9.
CHECK EGR SYSTEM
Check EGR system. Refer to
ENGINE EMITS BLUE SMOKE
EC-1469
< SYMPTOM DIAGNOSIS >
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Is the inspection result normal?
YES
>> GO TO 10.
NO
>> Repair or replace.
10.
CHECK CATALYTIC CONVERTER
Is the catalytic converter clogged or deteriorated?
Is the inspection result normal?
YES
>> GO TO 11.
NO
>> Repair or replace.
11.
CHECK HIGH PRESSURE SUPPLY PUMP (PRESSURE CONTROL VALVE)
Perform the TEST 3: HIGH PRESSURE SUPPLY PUMP (PRESSURE CONTROL VALVE). Refer to
.
>> GO TO 12.
12.
CHECK HIGH PRESSURE SUPPLY PUMP (VOLUMETRIC CONTROL VALVE)
Perform the TEST 4: HIGH PRESSURE SUPPLY PUMP (VOLUMETRIC CONTROL VALVE). Refer to
.
>> GO TO 13.
13.
CHECK RAIL HIGH PRESSURE CONTROL CIRCUIT
Perform the TEST 5: RAIL HIGH PRESSURE CONTROL CIRCUIT CHECK. Refer to
INSPECTION : Special Repair Requirement (TEST 5: Rail High Pressure Regulation Check)"
.
>> GO TO 14.
14.
CHECK MAJOR LEAK IN FUEL INJECTOR/FUEL INJECTORS OPEN
Perform the TEST 6: MAJOR LEAK IN FUEL INJECTOR/FUEL INJECTORS OPEN. Refer to
.
>> GO TO 15.
15.
CHECK INCORRECT FUEL INJECTION QUANTITY
Perform the TEST 7: INCORRECT FUEL INJECTION QUANTITY. Refer to
Special Repair Requirement (TEST 7: Incorrect Fuel Injection Quantity)"
>> GO TO 16.
16.
CHECK ECM POWER SUPPLY AND GROUND CIRCUIT
Check ECM power supply and ground circuit. Refer to
EC-1317, "Diagnosis Procedure"
.
Is the inspection result normal?
YES
>> GO TO 17.
NO
>> Repair or replace harness or connector.
17.
CHECK WIRING HARNESS
Visually check the condition of the engine wiring harness.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Repair or replace harness or connector.
EC-1470
< SYMPTOM DIAGNOSIS >
[K9K]
ENGINE SMOKES WHEN REVVED
ENGINE SMOKES WHEN REVVED
Description
INFOID:0000000000912111
CHART 20: ENGINE SMOKES WHEN REVVED
Diagnosis Procedure
INFOID:0000000000912112
1.
CHECK ENGINE OIL
Check the grade of engine oil. Refer to
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Replace engine oil. Refer to
2.
CHECK ENGINE OIL LEVEL
Is the engine oil level correct?
Yes or No
Yes
>> GO TO 3.
No
>> Top up the oil.
3.
CHECK ECM POWER SUPPLY AND GROUND CIRCUIT
Check ECM power supply and ground circuit. Refer to
EC-1344, "Component Inspection"
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace harness or connector.
4.
CHECK WIRING HARNESS
Visually check the condition of the engine wiring harness.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair or replace harness or connector.
5.
CHECK MASS AIR FLOW SENSOR
Check mass air flow sensor. Refer to
EC-1337, "Component Inspection"
.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Repair or replace.
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