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2013 Chevy Siverado Work truck, stuck in rich

ruthwalters
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ruthwalters Enthusiast

ruthwalters

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I have a 2013 chevy silverado 4.3, cannot get all cycles to show ready.  Once it gets to Cat and Evap check engine light comes back on.  Have replaced all 4 02 sensors and the evap canister and solenoid.  Throttle body has burned oil in it and looks like inside of the manifold is cracked.  Will this cause the lights to show not ready?

IMG_20240721_083327.jpg

IMG_20240721_083303.jpg

CamGTP Senior Enthusiast

CamGTP

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Posted

Casting cracks like that is very normal to see, that's not a problem to me.

 

What codes are you getting?

 

Rich codes could be from leaking injectors or if the truck is a flex fuel truck, the alcohol composition reading could be stuck at a high value and needs to be reset back to normal.

newdude Senior Enthusiast

newdude

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Codes?  Did you use GM/ACDelco oxygen sensors?  2007-2013 trucks are VERY sensitive to what O2 sensors you stick in there.  Anything but OEM it will cause problems.

ruthwalters Enthusiast

ruthwalters

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13 hours ago, newdude said:

Codes?  Did you use GM/ACDelco oxygen sensors?  2007-2013 trucks are VERY sensitive to what O2 sensors you stick in there.  Anything but OEM it will cause problems.

I believe they are Bosh.  I'll check the codes when I get back home.   Thank you 

ruthwalters Enthusiast

ruthwalters

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15 hours ago, CamGTP said:

Casting cracks like that is very normal to see, that's not a problem to me.

 

What codes are you getting?

 

Rich codes could be from leaking injectors or if the truck is a flex fuel truck, the alcohol composition reading could be stuck at a high value and needs to be reset back to normal.

Thank you I'll get the codes when I get back home.

ruthwalters Enthusiast

ruthwalters

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19 hours ago, newdude said:

Codes?  Did you use GM/ACDelco oxygen sensors?  2007-2013 trucks are VERY sensitive to what O2 sensors you stick in there.  Anything but OEM it will cause problems.

codes P2271 and P015B

newdude Senior Enthusiast

newdude

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Posted
1 hour ago, ruthwalters said:

codes P2271 and P015B

 

P015B

 

HO2S Delayed Response Lean to Rich Bank 1 Sensor 1

 

P2271

 

HO2S Signal Stuck Rich Bank 1 Sensor 2

 

I would get 2 OEM sensors for bank one and see if these go away.  12589321 is sensor 1 so pre cat, 12609456 is sensor 2 so post cat.  

ruthwalters Enthusiast

ruthwalters

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18 hours ago, newdude said:

 

P015B

 

HO2S Delayed Response Lean to Rich Bank 1 Sensor 1

 

P2271

 

HO2S Signal Stuck Rich Bank 1 Sensor 2

 

I would get 2 OEM sensors for bank one and see if these go away.  12589321 is sensor 1 so pre cat, 12609456 is sensor 2 so post cat.  

I will definitely give it a shot.  Thank you

ruthwalters Enthusiast

ruthwalters

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On 7/22/2024 at 4:24 PM, newdude said:

 

P015B

 

HO2S Delayed Response Lean to Rich Bank 1 Sensor 1

 

P2271

 

HO2S Signal Stuck Rich Bank 1 Sensor 2

 

I would get 2 OEM sensors for bank one and see if these go away.  12589321 is sensor 1 so pre cat, 12609456 is sensor 2 so post cat.  

It worked,  THANK YOU 

ruthwalters Enthusiast

ruthwalters

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On 7/22/2024 at 4:24 PM, newdude said:

 

P015B

 

HO2S Delayed Response Lean to Rich Bank 1 Sensor 1

 

P2271

 

HO2S Signal Stuck Rich Bank 1 Sensor 2

 

I would get 2 OEM sensors for bank one and see if these go away.  12589321 is sensor 1 so pre cat, 12609456 is sensor 2 so post cat.  

That worked,  THANK YOU 

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