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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Mechanical Maintenance: Break-in / Oil & Fluids / Servicing / Warranty > Bmw 3 Series Code



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      02-25-2015, 07:02 AM   #1
xuande
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Question Bmw 3 Series Code

for a week im having this check engine light on
my car, checked it and it is p1148. it just rarely comes on
in a week i just saw it twice. i just reset it so the engine light would go off.
i wonder what is the problem >.<
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      03-01-2015, 06:41 AM   #2
xuande
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update, after 2 days i tried to run my car again
from toronto to niagara my car seems to run okay.
the temperature is just -12 f.

i guess sensors act up around -20 f. when it is really cold?
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      03-03-2015, 02:22 AM   #3
BashShah
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You need to go to the manufacture of the scanner you used to look up the code.
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      03-03-2015, 12:29 PM   #4
xuande
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it says closed loop. im hearing some squeaking noise on my heater when i turned it on
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      06-23-2018, 11:54 PM   #5
Johnnyblazeus7
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P1148 CODE

Hello,

I'm having the same issue with my car. Were you able to fix yours?

Until right now I haven't felt any abnormalities on the engine.

Your help is greatly appreciate it.

Thank you
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