Schumy
Persistent Check Engine Light After Airmass Sensor Replacement
Summary of the thread
A BMW 1 owner is dealing with a persistent check engine light, even after replacing the airmass sensor. The diagnostic code suggests a low airmass reading. A possible cause could be vacuum leaks in the intake system, so inspecting hoses and connections for wear or damage is recommended.
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BMW
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1
CarlyMechanic
Check for any vacuum leaks in the intake system, as they can cause incorrect air mass readings. Inspect hoses and connections for any signs of wear or damage. Let me know how it goes or if you have any further questions.