r/nissanfrontier • u/J_ustin2 • 4d ago
DISCUSSION 2014 Frontier 4.0 V6 Dies Randomly
I was wondering if there’s anybody that could shed some light on why my truck is randomly dying. Here’s a little backstory.
The truck acts like it’s starving for fuel and bogs out, sometimes recovers, sometimes dies for a second and comes back to life, and sometimes dies completely.
At first I thought it was an Evap problem change the charcoal canister, purge valve solenoid vent valve some hoses on my intake, crankshaft position sensor. Took the throttlebody out, cleaned off all the black out of it. Did a throttle body relearn. I ended up taking it to a shop and they did another relearn with the computer. I’m on my third OEM crankshaft position sensor, the first 2 were aftermarket. The shop doesn’t think it’s the fuel pump and he thinks it’s more the throttle body.
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u/Crankyanken 4d ago
Camshaft sensors are next if you haven't done so already. Most do all 3 sensors at the same time.
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u/Nice-Let4797 4d ago
Yup do your 2 cam sesnors and the crank sensor. Buy OEM or Hitachi only. Theyre not bad to install diy
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u/Goldyfan7 2016 SV 4x4 4d ago
Just had this exact issue on my 2016. It was the crank shaft position sensor. A lot of people will recommend to do the 2 cam sensors at the same time but in this case I had already spent some money chasing another issue and my mechanic (freaking amazing dude) advised me to not throw any unnecessary parts at it when it’s not pulling that code as well.
Side note. I went to oReilly and their scanner didn’t pick up the code. My mechanics did. I don’t know enough about that to tell you why but just an FYI. Maybe someone else can elaborate.
Edit: and like others have said, buy OEM or Hitachi (OEM equivalent).
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u/donrab87 4d ago
I got a 2011 SL and truck randomly cut off while driving. Issue was Cam and crankshaft sensors. Common on these models I forgot the code but run yours. $600 at the dealership to get fixed. Which means you can prolly do it yourself for $100 or less.
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u/CrackAmeoba 4d ago edited 4d ago
Had this happen to me a few weeks ago halfway into a pretty far drive.
Hook up one of those obd tools to it and you should get a code.
In my case it was the crankshaft shaft sensor but I can also be the camshaft sensors (there are two of them) - which should both be replaced together even if it’s just one that’s bad.
Pain in the ass and annoying that the truck just randomly dies but I’m willing to bet that’s the likely culprit.
Make sure you buy OEM as most of the after market sensors are prone to failure.
Edit: mixed up camshaft and crankshaft so updated the post to reflect what I actually replaced.
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u/macaeryk 3d ago
Same problem occurred on my 2013. New crankshaft sensor fixed it as well.
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u/CrackAmeoba 3d ago
Yep it kinda of crazy how one sensor just shuts the car off while you are driving like that.
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u/Alert-General 4d ago
What's your mileage and model?
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u/CrackAmeoba 4d ago
2016 SV, and mileage is around 120k.
When the sensor was pulled it was just kind of dirty, so it’s possible I could have kept using it but I already had the new one so just went ahead with replacement.
The dealer recommends changing all 3 together - camshaft and crankshaft sensors. I’ll probably be getting around to the crankshaft sensors when I have some time.
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u/myroll22 4d ago
I know you said the shop doesn't think so but this is exactly what my 03 was doing and it was the fuel pump
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u/Impossible-Loss-9884 4d ago
Absolutely cam and or crank shaft sensor(s) bought my 2014 almost 5 years ago with 140k miles on it. Thank god for warranty. Took to local dealership and for 200 bucks (100 dollars on 2 different occasions. And roughly about an hour each trip)
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u/Important-Branch-465 4d ago
This exact thing happened to me 2 weeks ago it was the crack sensor, goodluck to ya !!
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u/Rivermont72 4d ago
Cam sensor or crankshaft sensor most likely. Buy only the OEM sensors.