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      08-25-2023, 11:15 AM   #1
Tripaboveall
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Lightbulb bmw 335i n55 lean code

how's it going everyone. so I've been in this battle with my e90 n55 throwing a lean code every few days and could use some help. i replaced several parts such as maf sensor, map sensor, injectors, o2 sensor, and did a smoke test with no leaks. just looking to see if anyone had any ideas of what it could possibly be and or troubles you had in the same way.

thanks
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      08-25-2023, 12:27 PM   #2
M-technik-3
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Assume you checked fuel pressure before tossing injectors at it.
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      08-26-2023, 01:37 PM   #3
Tripaboveall
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Quote:
Originally Posted by M-technik-3 View Post
Assume you checked fuel pressure before tossing injectors at it.
i had the shop check the fuel pressure which they said tis good I'm not too knowledgeable about what's a normal pressure.
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