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The oxygen sensor reports live information about the engine's air/fuel mixture to the powertrain control module,(Computer). This information is used primarily to help calculate fuel delivery to the engine, which changes continuously while it is running. If the engine is running lean, the powertrain control module will sense this from the oxygen sensor's signal and increase the air/fuel mixture to the engine. Conversely, just the opposite occurs when the engine begins to run rich. On OBDII-equipped vehicles, the sensors are also used to help determine the efficiency of the catalytic converter. The powertrain control module does this by comparing the signal of the sensor located at the inlet of the catalytic converter with the signal of the sensor located at the outlet of the converter.
What else can I help you with?
Were is the secondary 02 sensor located?
where is the secondary 02 sensor on a 2004 crv
What makes an 02 sensor go bad?
exaust leaks , faster if its before the 02 sensor
What is a code p0139?
P0139 02 Sensor Circuit Slow Response (Bank 1 Sensor 2)P0139 02 Sensor Circuit Slow Response (Bank 1 Sensor 2)
What item is not part of the internal engine system crankshaft position sensor cylinder head timing chain or 02 sensor?
02 sensor
Where is the crankshaft sensor on a 1999 2.5L?
underneath the cam rod with the 02 sensor
What does PO135 mean when checking the codes?
02 sensor heater curcuit malfunction (bank 1 sensor1)---change front 02 sensor if need be.
What does auto diagnostic code P0137 02 signal low bank 1 sensor 2 mean?
You have a bad 02 sensor after the catalytic converter.
Where is the location of the 02 sensor on a 2006 dodge caravan bank 1 sensor 2?
That is the sensor in the catalytic converter.
Where is the 02 sensor down stream sensor on a 4-cylinder?
That would be the sensor in the exhaust after the catalytic converter ( downstream )
Where is the 02 sensor for bank 1 sensor 2 on a 97 s10 with a 4.3?
That would be the sensor after the catalytic converter.
Where Is the heater 02 sensor and heater circut fault sensor 1 for 1999 Honda Civic?
Hi Every one Can you help meWhere Is the heater 02 sensor and heater circut fault sensor 1 for 1999 Honda Civic?
What do colors mean on 02 Sensor need to connect universal 02 sensor and don't know which colors to match you need to connect Universal 02 sensor to Toyota wiring?
the black wires are for the heater circuit, the blue and white are the sensor wires. the universal sensor probably wont work though, its best to bite the bullet and get the correct one from toyota.
