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:

Removal and installation
Hood Hood assembly Hood assembly : exploded view Hood hinge (LH/RH) Hood assembly Hood bumper rubber Hood seal Hood insulator Hood support rod Hood support rod clamp Clip Hood assembly : removal and installation CAUTION: Use two people when removing or installin ...

Tcm branch line circuit
Diagnosis procedure 1.Check connector Turn the ignition switch off. Disconnect the battery cable from the negative terminal. Check the following terminals and connectors for damage, bend and loose connection (unit side and connector side). Tcm Harness connector f50 Harness co ...

On board diagnostic (OBD) system
Diagnosis Description This system is an on board diagnostic system that records exhaust emission-related diagnostic information and detects a sensors/actuator-related malfunction. A malfunction is indicated by the malfunction indicator lamp (MIL) and stored in ECU memory as a DTC. The diagnos ...