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:
B142X Collision detection
Description
DTC B142X COLLISION DETECTION
The air bag diagnosis sensor unit will set this DTC if it has detected a
collision which has resulted in a deployment
of one or more air bags or pre-tensioners. If this DTC is detected after a SRS
repair, the air bag diagnosis
sensor unit has not yet ...
Precaution for supplemental restraint system (srs) "air bag" and "seat belt
pre-tensioner"
The supplemental restraint system such as “air bag” and “seat belt pre-tensioner”,
used along
with a front seat belt, helps to reduce the risk or severity of injury to the
driver and front passenger for certain
types of collision. Information necessary to service the system ...
Excessive abs function operation
frequency
Diagnosis Procedure
1.CHECK START
Check front and rear brake force distribution using a brake
tester.
Is the inspection result normal?
YES >> GO TO 2
NO >> Check brake system.
2.CHECK FRONT AND REAR AXLE
Make sure that there is no excessive play in the front and rear
axles. ...