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langsta143

Location Of O2 Sensor

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I was wondering if anybody can tell me where is the o2 sensor located on a is300 01...cuz i got a air/fuel ratio gauge..and i need to know where is the o2 sensor for it before i install it..thanks

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The common sense of finding the O2/S is locate before and after the catalytic. To locate your catalytics is bottom your front cars where the manifold connects to 2 pipes then connect to its.

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I was wondering if anybody can tell me where is the o2 sensor located on a is300 01...cuz i got a air/fuel ratio gauge..and i need to know where is the o2 sensor for it before i install it..thanks

UNDER THE HOOD, LOOK UNDER THE PASSENGER SIDE AND STRAIT AT YOUR MANIFOLD. FOLLOW THE PIPES UNTIL YOU SEE SOMETHING STICKING OUT OF IT WITH WIRES LEADING TO THE FRONT OF THE CAR. THAT'S YOUR O2 SENSOR.

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The IS300 has the same exhaust system as the IS200 (I have).

All in all there are 3 O2 sensors.

The manifold goes down in 2 pipes, in each pipe is one O2 sensor.

Then it connects to 1 pipe, through the "cat" and after this there is another O2 sensor.

If I wanted to tune my car with wide-band sensors (so that I don't need a dyno) and can tune it with an S-AFC or such, would I have to exchange all 3 sensors or only one of them???

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