Understanding engine codes

2006 BMW X5
104,000 MILES • 3.0L • 6 CYL • 4WD • AUTOMATIC
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GRACIOUSGREASEMONKEY
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I used an OTC sensor on my car today and found codes 174, 228 227, and 8. Those seem to relate to the "mass airflow sensor", then there is code 24241 which I cannot find any information about on the internet. Thank you for taking the time to look at my question and I hope you guys can help me out.
Apr 7, 2018 at 7:36 PM
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PATENTED_REPAIR_PRO
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Those codes do not look right to me. usually they are four numbers following a letter, such as P0174. are you sure about these codes?
Apr 8, 2018 at 7:39 AM