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#1
10-29-2007, 07:00 PM
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1997 K1500 O2 sensor code P0141, which one??
Hi, I have code P0141 "O2 sensor heater circuit malfunction (bank 1 sensor 2)".
Any idea which sensor is number 2?? There are sensors in both exhaust manifolds and one after the cat. At I believe $90 a pop, I don't want to replace more than I have to. Thanks for the help! 
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#2
10-30-2007, 10:20 AM
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Re: 1997 K1500 O2 sensor code P0141, which one??
It is the one on the driver side after the cat.
__________________
  2000 Silverado Z71, 5.3L, K&N GenII Air Intake, Y-pipe Exhaust (no muffler), Bosch Platnium +4 plugs, 242k miles and still running.
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