Hello all, thanks in advanced for any help/opinions.
2020 Nissan Pathfinder S (3.5L) (6CYL, Cvt, 2wd) Miles: 46700
My Mallfinder issue started when I was driving a month ago (thanksgiving day) when the engine stalled. I was able to roll to a stoplight safely. Immediately the engine would not restart. I had it towed home.
I spent a week attempting to determine the problem. No CEL/codes for OBDII. Check ALL fuses with a cheap fuse tester, then with a multimeter, tested switches/camshaft/crankshaft sensors as well. All in working condition. During that week I had intermittent "No Key ID," or something similar to that.
Had to travel for work for a few days. When I returned I had hired a mobile mechanic who had confirmed all fuses and switches are in working order. No codes popped up for him either. He spent a good hour attempting to find the issue and came back with either a bad PCM or BCM as they are not communicating with each other. He stated I will need to take it to a dealer for their specialized equipment. I thanked him and had it towed to a Nissan dealer.
I had to leave for work again, but they got back to me the next day. They stated I had a "blown ignition coil fuse." I did tell them I've check and that the mobile mechanic had already confirmed all fuses were working. He stated they replaced the fuse and and it ran. OK.
Asked if I wanted some scheduled maintenance done, I said sure, brake fluid flush, fuel induction service and wiper blades. Didn't ever think I would pay that much for wiper blades!
I return and pick up the vehicle two days later. Vehicle runs great! After driving for about 1.5 hours, my engine sputters and stalls; I look back and see grey smoke. I pulled over to the side of the freeway and called another tow truck. Then called the Nissan dealership and let them know.
The next day I received a call from them.
So, the fuse is blown, some of the COPs, O2 sensors and cats "blow up." Their words. They quoted me over $7000!
I am at a loss here. Since I have had the vehicle, maintenance has been on time and never have had a CEL or OBDII code. I also believe if a fuse is blown, why wasn't the cause investigated.
The real question: Am I responsible or should the Nissan dealership be responsible?
I do welcome mechanic's opinions on this from their point of view.
Thank you all for reading.
Jared
faulty ignition coils causing misfires sending the wrong mixture, burning out the cats.
I see. yes that makes sense now.
Catalytic converters and exhaust work are expensive. This is why you shouldn't drive with a misfire.
what do they mean by “blew up “. The parts exploded? Get more information or photos or request to see the parts yourself. It’s highly unusual. If there are electrical issues then you need to fix those first before throwing new parts in there.
Upon inspection of the vehicle, the technician started the vehicle, noticed a tick sound coming from the exhaust. Removed the cats and debris came out, and now the cats are hallow, both of them. They told me the likely cause are faulty ignition coils causing misfires sending the wrong mixture, burning out the cats.
Thank you for your response.
- Funny thing is, there wasn't any evidence or symptoms of a misfire, at least not that I could hear/tell. The CEL never popped up, and no codes.
OK, I just noticed that your vehicle is only 2 years old. I would be pretty upset about $7,000 bill too.
If you followed all the recommended maintenance, and didn't damage or abuse the vehicle, then it shouldn't be breaking down like this already. Read the fine print on your warranty contract to make sure you're within your rights, and then you may have to raise a bit of a fuss with Mitsubishi in order to get some customer satisfaction.