12-16-14, 12:36 PM

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Lexus IS GS: How to Replace Oxygen Sensor
Step by step instructions for do-it-yourself repairs

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bad oxygen sensor, can i ignore it?

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02-24-11, 07:30 PM

#16

ayroman

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Quote:

Originally Posted by snowmaker

you really should get a FSM online...they are free if you look

can you pls specify what FSM stands for/ what it is?
i wish i knew abt cars a bit more. thx

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02-24-11, 07:51 PM

#17

88Legend

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It stands for factory service manual.

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02-25-11, 05:25 PM

#18

snowmaker

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fix the sensor..About $175 OEM.....Front is about 10 minutes...rear is about 25...

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02-26-11, 11:27 AM

#19

tomf

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Quote:

Originally Posted by AndyG

Even better, $68 at Amazon!

http://www.amazon.com/Denso-234-4622...dp/B000C5SGA4/

According to the Denso website you need 234-4622 which is the part to which you linked.

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03-25-11, 05:39 PM

#20

ayroman

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Quote:

Originally Posted by tomf

no indicated sensor is Bank 2, Sensor 1.

thank you for your reply, i have finally bought a DENSO sensor, i found its locatins at the firewall, and about to change it myself.
But what do you mean by torque to 40 lbs?

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03-25-11, 09:15 PM

#21

nine3es

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set your torque wrench to 40 lbs and tighten until it clicks, then stop.

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08-19-13, 08:55 PM

#22

usman2338

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Oxygen sensors

Please make sure that if your car has AFR sensor (air fuel ratio) then you replace it with an AFR and if you have oxygen sensor then r,eplace it with oxygen sensor since signal detection circuitry inside the ECM looks for a specific voltage range for feedback signal. If the feedback signals are different then ECM will throw cel light and could also lead to damaging the ECM. Thanks