Just purchased a one owner, very clean 04 Titan with 204,000 miles. Runs flawlessly. After driving it for almost 1000 miles the Service engine light comes on. P0430 code. I have read just about every thread on here about the p0430 code. I am sure it has the OEM exhaust manifolds. I have crawled under the truck with it running and cannot hear any exhaust leaks. I don't have the money to do the headers and B pipes. My question is, can I remove the B pipe and clean out the primary cat without removing the manifold? If I am able to do that, would the air/fuel sensor still function properly?
10.90streetcar
Joined
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928 Posts
To be honest, I got sick of throwing parts at it and paid the dealer a half hour labor to hook up the nissan scan tool and it showed the right rear was lazy. Replaced with denso from rock auto and light never came on and fuel economy went up. Just my .02
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