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:

P0130 A/F Sensor 1
DTC Logic DTC DETECTION LOGIC To judge the malfunction, the diagnosis checks that the A/F signal computed by ECM from the A/F sensor 1 signal fluctuates according to fuel feedback control. DTC No. CONSULT screen terms (Trouble diagnosis content) DTC detecting condition Possi ...

General Precautions
Do not operate the engine for an extended period of time without proper exhaust ventilation. Keep the work area well ventilated and free of any inflammable materials. Special care should be taken when handling any inflammable or poisonous materials, such as gasoline, refrigerant gas, etc. Wh ...

Malfunction indicator lamp
Component Function Check 1.CHECK MIL FUNCTION Turn ignition switch ON. Check that MIL lights up. Is the inspection result normal? YES >> INSPECTION END NO >> Proceed to EC-467, "Diagnosis Procedure". Diagnosis Procedure 1.CHECK DTC WITH ECM Check that DTC UXXXX i ...

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