Help with code 28e7
03-06-2023, 02:31 AM
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My Ride: 2005 BMW 525I
Help with code 28e7
I have a 2005 Bmw 525i with the 2.5l m54 engine. I'm trying to figure out what's causing the code. It's referring to o2 sensor bank 2 sensor 1. But I changed all the sensors. Could a vacuum leak cause the code? When I run the engine & when I turn the engine off I hear the engine sounds like gasping/sucking air. My check engine light is on.
Last edited by Acebell; 03-06-2023 at 02:43 AM.
03-06-2023, 09:19 AM
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03-06-2023, 09:21 AM
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You can use a regular OBD reader / scanner. There are a number of PXXXX codes associated with the 28E7 BMW code, all of them pointing to different things.
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