Which O2 sensor do I need?
Hello Everyone,
I have a 2004 GC with a 4.0. The CEL came on and it is giving code P0159. Do I need the downstream sensor for cyls 1-3 or 4-6? I’m not much of a wrench spinner but need to save money if I can! Thank you!!!
I have a 2004 GC with a 4.0. The CEL came on and it is giving code P0159. Do I need the downstream sensor for cyls 1-3 or 4-6? I’m not much of a wrench spinner but need to save money if I can! Thank you!!!
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