GS - 2nd Gen (1998-2005) Discussion about the second generation GS300, GS400 and GS430 (1998 - 2005)

replace catalytic converters?

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Old 03-21-09, 01:37 PM
  #31  
sam430
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Originally Posted by UncleRay
I had the same problem for about a couple of months. Changed the O2 sensor on bank #2, and the CEL code never came back!
Which side is bank 2?
Old 03-21-09, 08:55 PM
  #32  
UncleRay
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Bank 2 is on the driver side. It is AFTER the cat. convert. This is the downstream O2 sensor which detects how well the cars' emissions are doing.
Old 03-21-09, 09:52 PM
  #33  
sam430
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Great thanks! I've been trying to find out the location for bank 1. Thanks again.
Old 03-29-09, 02:31 AM
  #34  
cgarofalo1
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Dude,

No way they are both bad at the same time....that is b&^%$Sh&^. The replacement on that would be 2600 in parts alone. My gasket was bad and thats all it was.
Old 03-29-09, 09:17 AM
  #35  
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If you do something to one side, you have to do it to the other side.
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