Nissan Sentra Service Manual: Periodic maintenance
FUEL SYSTEM
Inspection
Inspect fuel lines, fuel filler cap, and fuel tank for improper attachment, leakage, cracks, damage, loose connections, chafing or deterioration.
- Engine
- Fuel line
- Fuel tank
If necessary, repair or replace damaged parts.
Quick Connector
CAUTION:
- After connecting fuel tube quick connectors, check quick connectors are secure.
- Ensure that connector and resin tube do not contact any adjacent parts.
Preparation
Special Service Tool
The actual shape of the tools may differ from those illustrated here.
Commercial Service Tool
...
Other materials:
Starting the engine (models with NISSAN Intelligent Key® system)
Apply the parking brake.
Continuously Variable Transmission:
Move the shift lever to P (Park) or N (Neutral).
P (Park) is recommended.
The starter is designed not to operate if
the shift lever is in any of the driving
positions.
Manual Transmission:
Move the shift lever to N ( ...
P0131 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 is not inordinately low.
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P01 ...
Unit disassembly and assembly
OIL PUMP
O-ring
Oil pan (upper)
Oil level gauge guide
O-ring
Oil level gauge
Oil pump chain tensioner
Oil pump drive chain
Crankshaft sprocket
Oil pump sprocket
Oil pump
Drain plug washer
Drain plug
Oil pan (lower)
Oil filter
Connector bolt
Crankshaft position s ...
