Nissan Juke Service and Repair Manual : Engine smokes when revved

Description

CHART 20: ENGINE SMOKES WHEN REVVED

Diagnosis Procedure

1.CHECK ENGINE OIL

Check the grade of engine oil. Refer to LU-25, "Inspection".

Is the inspection result normal? YES >> GO TO 2.

NO >> Replace engine oil. Refer to LU-26, "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-908, "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-902, "Component Inspection".

Is the inspection result normal? YES >> INSPECTION END

NO >> Repair or replace.

    Engine emits blue smoke
    Description CHART 19: ENGINE EMITS BLUE SMOKE Diagnosis Procedure 1.CHECK ENGINE OIL Check the grade of engine oil. Refer to LU-33, "Inspection". Is the inspection result normal? YES ...

    Engine emits white smoke (especially when starting)
    Description CHART 21: ENGINE EMITS WHITE SMOKE (ESPECIALLY WHEN STARTING) Diagnosis Procedure 1.CHECK FUEL Check that the fuel reservoir is correctly filled and with the right fuel. >> GO ...

    Other materials:

    P0471 exhaust gas pressure sensor 1
    DTC Logic DTC DETECTION LOGIC NOTE: If DTC P0471 is displayed with DTC P0470 or P2226, first perform trouble diagnosis for DTC P0470 or P2226. Refer to EC-944, "DTC Logic" (P0470), EC-1002, "DTC Logic" (P2226). Diagnosis Procedure 1.CHECK GROUND CONNECTIONS 1. Turn i ...

    Precaution
    Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER" The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”, used along with a front seat belt, helps to reduce the risk or severity of injury to the driver a ...

    Removal and Disassembly
    • When instructed to use SST, use specified tools. Always be careful to work safely, avoid forceful or uninstructed operations. • Exercise maximum care to avoid damage to mating or sliding surfaces. • Dowel pins are used for several parts alignment. When replacing and reassembling parts with ...