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Thread: cats and 02 sensors??
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10-14-2007, 12:39 PM #1
cats and 02 sensors??
if ur cats are plugged can they ruin or damage the 02s
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10-14-2007, 03:26 PM #2
if your cats ar pluged then they rear o2's will throw a code Good time to get headers or have GM replace it 8 yrs or 120,000 miles
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10-14-2007, 04:51 PM #3
If your cats get clogged you will just throw a code, shouldnt damage anything.
2001 SS, Its not the car its the Driver that matters....
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10-14-2007, 05:23 PM #4
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Red- 99 TA
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10-14-2007, 07:02 PM #5
the reason im asking is my cats were bad and were replaced by gm 2 days later all 02s are bad but no codes i checked this on my scanner and it shows rear 02 anywhere from 50mv to 500 then the upstream is go slow and thats anywhere from 100mv 700. sounds bad to me but no codes
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10-15-2007, 05:02 AM #6
They can burn out the o2's if you keep driving on them for a while. o2's can take out cats and cats can take out o2's.
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