Nissan Qashqai (2007-2010). Manual - part 487

ENGINE SMOKES WHEN STARTED

EC-1467

< SYMPTOM DIAGNOSIS >

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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 

LU-23, "Inspection"

.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Replace engine oil. Refer to 

LU-24, "Refilling"

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 

EC-1263,

"BASIC INSPECTION : Special Repair Requirement [TEST 3: High Pressure Supply Pump (Pressure Control
Valve) Check]"

.

>> 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 

EC-

1264, "BASIC INSPECTION : Special Repair Requirement [TEST 4: High Pressure Supply Pump (Volumetric
Control Valve) Check]"

.

>> GO TO 8.

8.

CHECK RAIL HIGH PRESSURE CONTROL CIRCUIT

Perform the TEST 5: RAIL HIGH PRESSURE CONTROL CIRCUIT CHECK. Refer to 

EC-1267, "BASIC

INSPECTION : Special Repair Requirement (TEST 5: Rail High Pressure Regulation Check)"

.

>> INSPECTION END

EC-1468

< SYMPTOM DIAGNOSIS >

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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 

LU-23, "Inspection"

.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Replace engine oil. Refer to 

LU-24, "Refilling"

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 

EC-1415, "Diagnosis Procedure"

.

ENGINE EMITS BLUE SMOKE

EC-1469

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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 

EC-1263,

"BASIC INSPECTION : Special Repair Requirement [TEST 3: High Pressure Supply Pump (Pressure Control
Valve) Check]"

.

>> 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 

EC-

1264, "BASIC INSPECTION : Special Repair Requirement [TEST 4: High Pressure Supply Pump (Volumetric
Control Valve) Check]"

.

>> GO TO 13.

13.

CHECK RAIL HIGH PRESSURE CONTROL CIRCUIT

Perform the TEST 5: RAIL HIGH PRESSURE CONTROL CIRCUIT CHECK. Refer to 

EC-1267, "BASIC

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 

EC-1271,

"BASIC INSPECTION : Special Repair Requirement (TEST 6: Major Leak in Fuel Injectors/Fuel Injectors
Open)"

.

>> GO TO 15.

15.

CHECK INCORRECT FUEL INJECTION QUANTITY

Perform the TEST 7: INCORRECT FUEL INJECTION QUANTITY. Refer to 

EC-1272, "BASIC INSPECTION :

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 >

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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 

LU-23, "Inspection"

.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Replace engine oil. Refer to 

LU-24, "Refilling"

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.