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by gta3005
Tue Nov 29, 2022 6:07 pm
Forum: Problems / Troubleshooting
Topic: Replacing REX fuel temp/pressure sensor
Replies: 25
Views: 4576

Re: Replacing REX fuel temp/pressure sensor

I'm in a 2014 also. The gas engine has a 15 year 150k miles warranty on it. Got approved by BMW NA today for the warranty work :D

Check into your warranty. The battery and gas engine have special warranties on them that extend past the vehicle warranty.
by gta3005
Mon Nov 28, 2022 7:29 pm
Forum: Problems / Troubleshooting
Topic: Replacing REX fuel temp/pressure sensor
Replies: 25
Views: 4576

Re: Replacing REX fuel temp/pressure sensor

Reviving this thread with a quick update. CEL came back on after inspection. Replaced the cooling relay hoping that would clear it. Ran the engine to try and clear it and within a mile of running the engine shut off and said to contact service. I couldn't get it in to my guy because he's out of town...
by gta3005
Thu Sep 29, 2022 5:10 am
Forum: Problems / Troubleshooting
Topic: Replacing REX fuel temp/pressure sensor
Replies: 25
Views: 4576

Re: Replacing REX fuel temp/pressure sensor

Well I've got good news and bad news. Codes are currently clear, so that's good. But unfortunately the guy that did it isn't willing to detail what he did to fix it, so thats not great news. Here's my guess. Replacing the fan doesn't seem to have immediately fixed the issue, so I wouldn't start with...
by gta3005
Tue Sep 27, 2022 4:44 am
Forum: Problems / Troubleshooting
Topic: Replacing REX fuel temp/pressure sensor
Replies: 25
Views: 4576

Re: Replacing REX fuel temp/pressure sensor

Full vehicle scan was performed yesterday. Should have more information today. Looking like it's related to the P0480 code. Possibly a lack of communication with computer for cooling system.
by gta3005
Thu Sep 22, 2022 10:47 am
Forum: Problems / Troubleshooting
Topic: Replacing REX fuel temp/pressure sensor
Replies: 25
Views: 4576

Re: Replacing REX fuel temp/pressure sensor

Damn and that's for P14A4 not even P14FA. Worth noting is I'm using Torque also to diagnose, so maybe this is a code that Torque is interpreting and not actually correct? I'm having a friend with a bit better diagnostic tools take a look at it tomorrow so hopefully he will have a better answer. If h...
by gta3005
Wed Sep 21, 2022 7:48 am
Forum: Problems / Troubleshooting
Topic: Replacing REX fuel temp/pressure sensor
Replies: 25
Views: 4576

Re: Replacing REX fuel temp/pressure sensor

This is promising. You're correct in that the fuse I mentioned is for a relay, so maybe this relay is bad? Do you know if its a relay that can be purchased at an Auto Zone or if its BMW specialty. Also, regarding P14FA, where did you find the OBD2 description for this code? I haven't been able to fi...
by gta3005
Tue Sep 20, 2022 5:22 am
Forum: Problems / Troubleshooting
Topic: Replacing REX fuel temp/pressure sensor
Replies: 25
Views: 4576

Re: Replacing REX fuel temp/pressure sensor

Interesting PDF, thanks for adding that. It did not get rid of the P14FA code. I've had that code for a long time and it tends to be intermittent so I haven't been focusing on it. I need to fic the P0480 before the end of month for inspection, so we're gonna find a solution to this!! I have been mea...
by gta3005
Mon Sep 19, 2022 1:43 pm
Forum: Problems / Troubleshooting
Topic: Replacing REX fuel temp/pressure sensor
Replies: 25
Views: 4576

Re: Replacing REX fuel temp/pressure sensor

Any updates on these issues? I've got the same two codes, p0480 and p14fa ( thanks for providing what this one is!). I replaced the front fan behind the radiator this weekend because that's what BMW recommended but I still have a historic p0480 fault. Going to try running the rex to get it to go away.

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