Help with a Chevy 1500 Truck - O2 Sensor - Other Cars Forum

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Help with a Chevy 1500 Truck - O2 Sensor
Monday, February 16, 2009 5:45 PM
It's a '98 Chevy Cheyenne 1500 2WD pickup truck. It is throwing a P0141, Bank 1, sensor # 2 error. Anyone know which sensor this is? There are the two main sensors coming off of each manifold, and then the downstream sensor after the cat.



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Re: Help with a Chevy 1500 Truck - O2 Sensor
Monday, February 16, 2009 5:49 PM
should be drivers side after cat.

not 100% on that tho.





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Re: Help with a Chevy 1500 Truck - O2 Sensor
Wednesday, February 18, 2009 8:39 AM
Anyone else know? I have heard that it is the one after the cat, and someone also said it is the one before the cat....



2010 Subaru Impreza WRX Limited
1999 Cavalier Z24 Supercharged
1999 Grand AM SE (Beater Car)
1997 GMC Sierra
2007 Honda CBR 600RR
2005 Honda TRX450R
Re: Help with a Chevy 1500 Truck - O2 Sensor
Wednesday, February 18, 2009 8:49 AM
bank 1 generally means before cat


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Re: Help with a Chevy 1500 Truck - O2 Sensor
Wednesday, February 18, 2009 6:22 PM
Bank #1 is left (drivers) side, Bank #2 is right (pass) side in a V engine. Sensor #1 is in exhaust manifold (pre-cat), Sensor #2 is after cat.



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Re: Help with a Chevy 1500 Truck - O2 Sensor
Thursday, February 19, 2009 6:36 PM
^^^^^ you are right...

bank one is generally whichever side cylinder one is on... which would be the drivers side on the truck... sensor one is before the cat... sensor two is after it...



Re: Help with a Chevy 1500 Truck - O2 Sensor
Thursday, February 19, 2009 6:43 PM
I second Green98cavy
Re: Help with a Chevy 1500 Truck - O2 Sensor
Thursday, February 19, 2009 6:50 PM
Awesome, thanks so much guys!



2010 Subaru Impreza WRX Limited
1999 Cavalier Z24 Supercharged
1999 Grand AM SE (Beater Car)
1997 GMC Sierra
2007 Honda CBR 600RR
2005 Honda TRX450R
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