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Old 06-23-2014, 11:00 AM   #1
erik@howes
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2007 AURA XE
Default p0430 catalyst efficiency low bank 2

Just had this code come up on my 07 XE with 102,500 miles on her. I am thinking of just replacing the downstream o2 sensor first before worrying about the catalytic converter. Anyone else run into this similar situation? The o2 sensor there looks like it is a tight area and I have rather large hands... Not looking forward to some knuckle bashing - and that may not even be it. Other than that, the car is still running pretty good. Hope to have her for another few years.
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Old 06-23-2014, 02:06 PM   #2
SL19302
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2000 SW2
2002 SL1
Default Re: p0430 catalyst efficiency low bank 2

Quote:
Originally Posted by erik@howes View Post
Just had this code come up on my 07 XE with 102,500 miles on her. I am thinking of just replacing the downstream o2 sensor first before worrying about the catalytic converter. Anyone else run into this similar situation? The o2 sensor there looks like it is a tight area and I have rather large hands... Not looking forward to some knuckle bashing - and that may not even be it. Other than that, the car is still running pretty good. Hope to have her for another few years.
If you have a scan tool thats capable of displaying live data then you can look at the o2 Sensors function, The downstream sensor should switch alot slower and be more stable then the upstream, If the downstream readings appear like the upstream ones then the sensors doing its job and telling the computer your converter is tired.
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