Nissan Sentra B18 (2020-2025) 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.
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Use unleaded gasoline only. Leaded gasoline will seriously damage the three way catalyst.
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When checking for ignition spark or measuring engine compression, make tests quickly and only when necessary.
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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 Nissan Sentra vehicle on flammable material. Keep flammable material off the exhaust pipe and the three way catalyst.
General Precautions
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
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Fuel
Fuel
MR20DD
Use unleaded regular gasoline with an octane
rating of at least 87 AKI (Anti-Knock Index) number (Research
octane number 91).
CAUTION:
Only Nissan Sent ...
Other materials:
B2267-29 Engine Speed
Dtc Description
DTC Description
DTC DETECTION LOGIC
DTC No.
CONSULT screen terms
(Trouble diagnosis
content)
DTC detected condition
...
Confirmation Procedure
Confirmation Procedure
DTC CONFIRMATION PROCEDURE
CONSULT
Ignition switch ON.
Ignition switch OFF and wait at least 30
seconds.
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Refilling
Refilling
CAUTION:
Before working, place the ignition switch in the
OFF position and disconnect the harness connector from the ABS
actuator and electric unit (control unit) or the negative battery
terminal. Refer to Battery Disconnect.
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