The check engine light came on today on my 2012 Pathfinder(62,000miles). Hooked up the code reader and it read bad Oxygen Sensor. No biggie. A few hours later I go to start it and it sounded like a Sherman tank. It looks like its coming from the lower manifold area(passenger side). Cabin fumes are real bad. Took it to two muffler shops who subtlety expressed that they don't want to touch this with a 10' pole. They were pretty certain that the connection between the cat and the header separated. The part is a small fortune and very labor intensive. The cat/manifold looks like its one piece($$). Both advised that this should be covered under the Federal Emissions Warranty 8yr/80,000mi and to take it to the dealer. Can anyone confirm or deny that the dealer would cover something like this. Any others out there with this issue?
Exhaust manifold/catalytic converter issue
Posted 15 January 2018 - 07:17 PM
Posted 16 January 2018 - 09:34 PM
Depending upon the dealer, they might not be immediately willing, as sometimes they can be very frustrating to deal with. If they try to deny it, don't be afraid to let them know you're going to make a corporate complaint, and if need be, actually do that. It doesn't always come to that, as some dealerships are much easier to deal with. Best of luck and post back with your progress.
Posted 17 January 2018 - 06:11 AM
Well.... I'm SOL with trying to claim this under the Federal Emissions Warranty. On the 2012 Path, the manifold and cat are two separate pieces, while the V8 models have a one piece manifold/cat assy. I was mistakenly looking at the part for the V8 models, which may have been covered. The issue I have is that the flange separated from the collector pipe on the manifold side. The manifold doesn't look like its one of the covered parts. I just hope and pray that my mechanic doesn't start breaking studs off in the block. I've made that mistake in the past.
Posted 23 January 2018 - 07:33 PM
The exhaust manifold was replaced. It cost just under $1400. Less than the quoted $2100. Still a ton of labor and they used an OEM part.
Posted 24 January 2018 - 04:43 AM
Jesus! Hopefully the new one holds up.
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