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:
Removal and installation
EXHAUST SYSTEM
Exploded View
Sub muffler
Spring
Mounting rubber
Seal bearing
Catalyst shroud (upper)
Seal bearing
Exhaust front tube
Spring
Catalyst shroud (lower)
Clamp
Heated oxygen sensor 2
Ring gasket
Mounting rubber
Main muffler
Exhaust finisher (if equipped ...
Passenger compartment
CAUTION
Never use a fuse of a higher or lower
amperage rating than specified on the
fuse box cover. This could damage the
electrical system or cause a fire.
If any electrical equipment does not operate,
check for an open fuse.
NOTE:
The fuse box is located on the driver’s side
of the ...
Cruise control operations
The cruise control allows driving at a speed between
25 - 89 MPH (40 - 144 km/h) without
keeping your foot on the accelerator pedal.
To turn on the cruise control, push the
ON·OFF switch. The CRUISE indicator light in
the instrument panel comes on.
To set cruising speed, accelerate the ve ...
