LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

o2 sensor problems??

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Old Jan 28, 2004 | 01:31 PM
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nb 96 z's Avatar
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o2 sensor problems??

ok.. i'm getting codes p1133 and p0153. Is this the same sensor?
If not, how come i'm getting a slow response code for one and an insufficient switching for the other? Thanks.
Old Jan 28, 2004 | 10:09 PM
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anyone??
Old Jan 28, 2004 | 11:14 PM
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According to the OBD-II list on Shoebox's tech pages:

P0153 = O2 sensor Slow response, Bank 2 (passenger side), Pre-cat

P1133 = O2 sensor Insufficient switching, Bank 1 (drivers side) pre-cat

Is it possible something has contaminated both of them? Leaded fuel, for example?
Old Jan 30, 2004 | 10:01 AM
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nope. i always run premium unleaded. could it be an electrical problem maybe? thanks any info is greatly appreciated.
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