Nissan Sentra Service Manual: Three Way Catalyst
If a large amount of unburned fuel flows into the catalyst, the catalyst temperature will be excessively high. To prevent this, follow the instructions.
- Use unleaded gasoline only. Leaded gasoline will seriously damage the three way catalyst.
- When checking for ignition spark or measuring engine compression, make tests quickly and only when necessary.
- Do not run engine when the fuel tank level is low, otherwise the engine may misfire, causing damage to the catalyst.
Do not place the vehicle on flammable material. Keep flammable material off the exhaust pipe and the three way catalyst.
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 take ...
Fuel (Regular Unleaded Gasoline Recommended)
Use unleaded regular gasoline with an octane rating of at least 87 AKI
(Anti-Knock Index) number (Research
octane number 91). E-85 fuel (85% fuel ethanol, 15% unleaded gasoline) may only
be used ...
Other materials:
Periodic maintenance
M/T OIL
Inspection
OIL LEAKAGE
Make sure that gear oil is not leaking from transaxle or around it.
OIL LEVEL
Remove filler plug (1) and gasket from transaxle case.
Check the oil level from filler plug mounting hole as shown.
CAUTION:
Do not start engine while checking oil level.
Se ...
Engine Oils
Prolonged and repeated contact with used engine oil may cause skin cancer.
Try to avoid direct skin contact
with used oil.
If skin contact is made, wash thoroughly with soap or hand cleaner as soon as
possible.
HEALTH PROTECTION PRECAUTIONS
Avoid prolonged and repeated contact with oils ...
Brake and clutch (if so equipped) fluid
For further brake and clutch fluid specification
information, refer to “Recommended
fluids/lubricants and capacities” in the “Technical
and consumer information” section of this
manual.
WARNING
Use only new fluid from a sealed container.
Old, inferior or contaminated
...
