01 3.0 x5 will not start

[Yotoracer28]

Hello all just ran into my first prob with my x5, and it really came out of nowhere.... anyway last night went on a small road trip to OH, about 225mi round trip, avg about 70mph tapping 80 from time to time, figured this be good for it since the city driving/condensation issure i read about. well just jumped in it to run to the grocery, started it just fine, decide to run one of my other keys that batt was not working in to try and charge it, shut it off tried other key now it will fire stumble and die...
peak code table 19
f5,f6,76,e6,08

reset codes
still come up with
76, 08
which that points to mass air and tps
just weird that all of the sudden, with no hiccups before.
any input would be greatly appreciated
thanks for your time
Clark

p.s. just my basic info
2001 x5
3.0 sport manual
157k

[wallyx5]

Try disconnecting you MAF and starting the car if it starts then your MAF is bad and will need to be replaced. You can try cleaning the maf with maf cleaner but you would be better off replacing it.

[Yotoracer28]

pretty sure I tried that already with same results, when I get back in tomorrow night from work ill try again to be sure.
Thanks

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[Yotoracer28]

Just out of curiosity, if I do end up having to replace my maf, I'm always about going better than stock. Is there an upgrade for these vehicles?

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[wallyx5]

Stock is as good as it gets. Or you can get a Seimens for a little less.