Nissan Sentra manuals

Nissan Sentra Service Manual: Positive crankcase ventilation

Inspection

1.CHECK PCV VALVE

With engine running at idle, remove PCV valve from rocker cover. A properly working valve makes a hissing noise as air passes through it. A strong vacuum should be felt immediately when a finger is placed over valve inlet.

Is the inspection result normal?

YES >> INSPECTION END

NO >> Replace PCV valve. Refer to EC-15, "ENGINE CONTROL SYSTEM : Component Parts Location".

Removal and installation


Evap leak check
Inspection CAUTION: Do not use compressed air or a high pressure pump. Do not exceed 4.12 kPa (0.042 kg/cm2, 0.6 psi) of pressure in EVAP system. NOTE: Do not start engine. Improper ...

Removal and installation
Ecm Exploded View ECM bracket ECM Engine mounting insulator bracket Removal and Installation CAUTION: Perform ADDITIONAL SERVICE WHEN REPLACING ECM. Refer to EC-135, "Work Pro ...

Other materials:

P2014, P2016, P2017, P2018 Intake manifold runner control valve position sensor
DTC Logic DTC DETECTION LOGIC NOTE: If DTC P2014, P2016, P2017 or P2018 is displayed with DTC P0643, first perform the trouble diagnosis for DTC P0643. Refer to EC-353, "DTC Logic". DTC No. CONSULT screen terms (Trouble diagnosis content) DTC detecting condition P ...

P0300, P0301, P0302, P0303, P0304 Misfire
DTC Logic DTC DETECTION LOGIC When a misfire occurs, engine speed will fluctuate. If the engine speed fluctuates enough to cause the crankshaft position (CKP) sensor (POS) signal to vary, ECM can determine that a misfire is occurring. Sensor Input signal to ECM ECM function ...

Service equipment
RECOVERY/RECYCLING RECHARGING EQUIPMENT Be certain to follow the manufacturer’s instructions for machine operation and machine maintenance. Do not introduce any refrigerant other than that specified into the machine. ELECTRICAL LEAK DETECTOR Be certain to follow the manufacturer’s ...

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