FAQ : 173 : Upstream oxygen sensor - C4

FAQ

FAQ #173

	Upstream oxygen sensor
	Upstream oxygen sensor (1350) Location : The oxygen sensor is located in the exhaust line, between the engine and the catalytic converter . The hydrocarbons are compared with the reference air contained in the oxygen sensor to deduce a mixture ratio . Role of the injection ECU according to the data received : To determine the fuel / air mixture (richness) Richness adjustment Description The oxygen sensor informs almost continuously the ECU about the air-fuel mixture ratio . The "rich" or "weak" mixture information is given by 0 to 1 V voltages : Weak mixture = 0,1 Volts Rich mixture = 0,9 Volts A heating device placed inside the sensor enables it to rapidly reach its operating temperature ( + 300 °C) . Electrical features The sensor is equipped with a 4 way caliper connector . Allocation of the connector channels : Channel 1 : +12 volts supply Channel 2 : Oxygen sensor heating control Channel 3 : - signal Channel 4 : + signal
Views	6765 (Unique 2723)
Member Rating :	10.0 - 1 vote
FAQ Posted by	Dave_Retired.
Info	Created: 22 September 2009 Last Updated: 22 September 2009

mwj666 wrote this in the forum 23 Dec 2021 : 15:11

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vexorg wrote this in the forum 23 Dec 2021 : 16:08

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mafiltenborg wrote this in the forum 26 Dec 2021 : 04:54

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rick wrote this in the forum 27 Dec 2021 : 05:53

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dzidek23 wrote this in the forum 27 Dec 2021 : 06:19

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khsofiane wrote this in the forum 27 Dec 2021 : 07:34

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ChrisKnott wrote this in the forum 01 Feb 2021 : 09:35

16% car insurance saving with Chris Knott

Car club members and enthusiasts save 16% on average against their car insurance renewal by switching to Chris Knott*. Get a Chris Knott quote this month and you'll gain entry in our prize draw too. - Click Here - QUOTELINE: 0800 [more ...]

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