I have an 08 tahoe only 45k on it I could tell it had been running rich for sometime now cause it had the rotten egg smell comming from the exhaust. Now the check engine light has been comming on and it's code p1133. I replaced the o2 and no change. Only mods are cat back and k&n intake. Any ideas of where to look next.
P1133 running rich
- Thread starter stss95
- Start date
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GM Customer Service
Full Access Member
Hello,
I understand that you are seeking advice from your fellow forum members on how to resolve this issue yourself, stss95. I might not be able to give you any technical advice but I am happy to assist you in resolving you vehicle concern. Please private message me if I can be of any assistance.
Jennifer T.
GM Customer Care
I understand that you are seeking advice from your fellow forum members on how to resolve this issue yourself, stss95. I might not be able to give you any technical advice but I am happy to assist you in resolving you vehicle concern. Please private message me if I can be of any assistance.
Jennifer T.
GM Customer Care
