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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > Fuel Injector issues DTC 2E31



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      09-28-2024, 08:05 PM   #1
VAX.ANT
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Fuel Injector issues DTC 2E31

I hope I can find some help here as this is my daily and need it to get to work. Currently, I keep going into limp mode upon start up with a code that doesn’t go away DTC 2E31 Im fairly new to this platform I bought the vehicle a year ago and do my own work. When I first encountered this code I was coming to a stop light on a rainy day and my car started shaking and misfiring. Scanned it right away and had DTC 2E31 along with misfires in cylinder 2 and 3 and 2DED Couple days later (Now) upon start up straight into limp mode with 2E31 only present.I drove it down the block a little bit and DTC 2C77 has popped up as well. I currently have leaking index 7 injectors which Im planning to replace soon with index 12 as well as my oil cap that keeps leaking currently waiting on that to come in. I also checked my spark plugs when I first encountered this 2E31 code and it was completely black soaked in fuel. Cleaned it off for the time being while I wait on the new ones but I want to solve this issue before putting in the new spark plugs. Where do I even start diagnosing this?
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      09-29-2024, 11:21 AM   #2
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Looks like you know at least one issue and havent resolved it yet?

Leaky oil cap? That is crankcase pressure
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      10-08-2024, 08:51 AM   #3
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Update Replaced my Fuel Injectors with Index 12s👍🏼 fixed my issue
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