Nissan Sentra Service Manual: Three Way Catalyst

Nissan Sentra Service Manual / General information / Precaution / Precautions / 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:

P1715 Input speed sensor
Description ECM receives input speed sensor signal from TCM through CAN communication line. ECM uses this signal for engine control. DTC Logic DTC DETECTION LOGIC NOTE: If DTC P1715 is displayed with DTC UXXXX, first perform the trouble diagnosis for DTC UXXXX. If DTC P1715 is displa ...

The ambient temperature display is incorrect
Description The displayed outside air temperature is higher than the actual temperature. The displayed outside air temperature is lower than the actual temperature. Outside air temperature is not indicated. Diagnosis procedure 1.Check ambient sensor signal circuit Check the ambie ...

Clutch fluid
Inspection FLUID LEAKAGE Check clutch line for cracks, deterioration or other damage. Replace any damaged parts. Check for fluid leakage by fully depressing clutch pedal while engine is running. CAUTION: If leakage occurs around connections, reinstall the lines or replace damaged ...