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:
P0037, P0038 HO2S2 Heater
DTC Logic
DTC DETECTION LOGIC
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P0037
HO2 HTR (B1)
(HO2S heater control circuit
low bank 1 sensor 2)
The current amperage in the heated oxygen sensor
2 heater ci ...
1110, C1170 ABS Actuator and electric unit (control unit)
DTC Logic
DTC DETECTION LOGIC
DTC
Display item
Malfunction detected condition
Possible cause
C1110
CONTROLLER FAILURE
When there is an internal malfunction in the ABS actuator
and electric unit (control unit).
ABS actuator and electric unit
(contr ...
Unexpected pedal reaction
Diagnosis Procedure
1.CHECK BRAKE PEDAL STROKE
Check brake pedal stroke. Refer to BR-15, "Adjustment".
Is the stroke too big?
YES >>
Bleed air from brake line and hose. Refer to BR-17,
"Bleeding Brake System".
Check brake pedal, brake booster, and maste ...
