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Old 27th July 2010
darfie darfie is offline
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Join Date: Aug 2005                                                
Location: Bronx
My Saabs: 1996 9000 areo/2003 9-3
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Default Bank 1 Sensor 1 ??

My 96 9000 aero has the engine check light on. I checked the code, it called out
a P0133 O2 sensor located at Bank 1 Sensor 1. Where is Bank 1 Sensor 1 located on the car ? I see part stores sell universal O2 sensor, can they be used. Any help is appreciated.
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Old 27th July 2010
KaMiKaZi_t0M's Avatar
KaMiKaZi_t0M KaMiKaZi_t0M is offline
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Join Date: Nov 2007                                                
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My Saabs: 92 C900T vert, 95 9K Stg3+, 96 GOOSE
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If my memory serves me correctly, bank one sensor 1 is the 02 sensor AFTER the cat. This is if you have a 4 cyl version. This sensor does not really do anything as far as altering the A/F ratio, but you will fail emissions because of it. It job is to tell the ECU if the CAT is working properly.
Also, universal Bosh 4 wire O2 sensors will work.
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