Need information about 02 sensors
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Joined: Aug 2019
Posts: 417
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From: SoCal
04.5 G35 Sedan 5AT
G35's have 4 O2 sensors.
One upstream O2 (before the catalyst) and one downstream O2 (after the catalyst) per bank.
Upstream are for measuring the fuel mixture for the ECU, downstream are for ensuring the catalytic converters are functioning.
One upstream O2 (before the catalyst) and one downstream O2 (after the catalyst) per bank.
Upstream are for measuring the fuel mixture for the ECU, downstream are for ensuring the catalytic converters are functioning.