Question about Toyota Highlander
Posted by Anonymous on
That Toyota has a 2.4 l 2az-fe 14of 155 hp and ran from 2001-2007 after which a v6 engine was installed
the sensor is the one before the cat converter as it is a heated oxygen sensor (KO2S) and reports on the gas composition to the ECM for air/fuel ratio adjustments
the oxygen sensor (O2) is after the cat converter and reports on the cat operation
have the cat converter checked at an accredited muffler shop
Posted on Jun 21, 2017
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Posted on Jan 02, 2017
SOURCE: Check engine light.
ok the bank 1 is where the cilinder one is get a firing order and see where is the number one cylinder that's the bank one
then follow the exaust and replace the sensor after the catalitic
Posted on May 29, 2008
Tune it up and replace the 02 sensor that keeps setting the codes bank 2 sensor 1. Have your oil and filter changed right before you go for a retest to. That will clear up 3 codes P0300, 0155 and 0154. You might have to replace the fuel sending unit to get rid of P0463 but if the gauge works OK I'd leave it alone.
Posted on Jan 12, 2009
SOURCE: isuzu hombre check engine light
after you did that did you hook it to a car computer to reset the lite? most need this and you can go to a auto zone and rent the computer for free just a deposit and then you get that back. the computer will do it almost for you.
Posted on Feb 16, 2009
if u have one oxygen sensor then u need to take a deep look at the bottom of ur car it will be somewhere at the Exhaust pipe if u have a catalytic converter then u will have two oxygen sensors one before the catalytic converter & the other will be after the catalytic converter. Note: the catalytic converter is located at after a little bit of beginning in Exhaust pipe.
Posted on Jun 06, 2009
look for catalic converter near exhaust manifold ,,,, sensor one is before cat 2 is after it ... like a spark plug with wires
Posted on Feb 13, 2012
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Fig. Fig. 3: Oxygen sensor-4.3L engines
Fig. Fig. 4: Oxygen sensor-5.0L and 5.7L engines
Fig. Fig. 5: Oxygen sensor-7.4L engines
Oxygen sensors are always numbered like this:
Bank 1 sensor 1
Bank 2 sensor 1
Bank 1 sensor 2
Bank 2 sensor 2
Some manufacturers use a kind of shorthand that reads different, but means the same thing:
Sensor 1/1 or O2s 1/1
Sensor 2/1 or O2s 2/1
Sensor 1/2 or O2s 1/2
Sensor 2/2 or O2s 2/2
Bank 1 is always the side of the engine where cylinder number 1 is located and, of coarse, Bank 2 is the opposite side.
On a 4 cylinder engine, there is only 1 bank and it is always referred to as Bank 1.
Sensor 1 is always the upstream sensor (the one located BEFORE the catalytic converter)
Sensor 2 is always the downstream sensor (the one that is located AFTER the catalytic converter.
Hope helps (remember to rate this).
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