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internal88
internal88, BMW Mechanic
Category: BMW
Satisfied Customers: 2487
Experience:  I have an Automotive Engineering Degree and also work for an Automotive engineering company since 2003.
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2010 bmw 5501 has a check engine light. Got a P1434 code

Customer Question

2010 bmw 5501 has a check engine light. Got a P1434 code from a non-bmw code reader
Submitted: 1 year ago.
Category: BMW
Expert:  Steve replied 1 year ago.
hello,
what question can I answer for you about this?
Expert:  internal88 replied 1 year ago.

Hello, I'm Brandon - BMW TECH.

Expert:  internal88 replied 1 year ago.

Most likely it is the MAF sensor problem.

Expert:  internal88 replied 1 year ago.

Hopefully you do not have any aftermarket air filter such as K&N air filter. Those filter can trigger this code.

Expert:  internal88 replied 1 year ago.

also make sure you check the gas cap for tightness.