Narrowband O2 Sensors
A Narrowband O2 sensor can be used by the Elite ECU for monitoring purposes, or for closed-loop O2 Control. A narrowband sensor by definition measures only a narrow section of the AFR scale. It is designed to allow the AFR to be oscillated around stoic (approx. 14.7:1 AFR-Petrol) to improve exhaust catalytic convertors to operate more efficiently. Narrowband O2 sensors are not ideal for engine tuning other than for emissions purposes. A Wideband O2 Sensor is a more suitable choice for that application.
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Page Contents |
Wiring Tab
Connections
Shows how the Narrowband O2 Sensor should be wired to the Elite ECU. It is advised that a shielded AVI such as AVI1 or AVI6 be used for this function if possible, and care should be taken to ensure the shielded does not contact the inner signal wire when making connections.
Display Tab
Display Maximum
Sets the upper voltage limit for any gauges that are displaying the Narrowband O2 voltage.
Diagnostics Tab
Raw Min
When enabled, and the Narrowband O2 Voltage drops below this amount, a corresponding DTC is flagged.
Associated DTC P0143 DTC Severity
When this DTC has been flagged there is the option to set an Engine Protection severity level. This can be None where Engine Protection is not Enabled, or a Level 1, 2, or 3 can be selected when Engine Protection is Enabled.
Raw Max
When enabled, and the Narrowband O2 Voltage exceeds this amount, a corresponding DTC is flagged.
Associated DTC P0144 DTC Severity
When this DTC has been flagged there is the option to set an Engine Protection severity level. This can be None where Engine Protection is not Enabled, or a Level 1, 2, or 3 can be selected when Engine Protection is Enabled.
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