528i starts, idles weirdly then dies out? Could it be my fuel pump?

[PostChris909]

I just replaced my fuel pump 14k miles ago. Yesterday I replaced my rear subframe, rotors and brake pads. (Had to remove entire exhaust kit to remove sub and Diff.) I put everything back how its supposed to, even checked my intake sensor and it seems fine. Has anyone else had this Issue and resolved it?

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[Dwin]

Codes??????

[PostChris909]

Codes??????

I haven't checked yet, I'm going into town tomorrow to buy an obd2 so I can

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[E36lover22]

How long does it stay on for , sounds like possibly you have a vacuum leak. We're the o2 sensors removed when you dropped the exhaust?

[PostChris909]

How long does it stay on for , sounds like possibly you have a vacuum leak. We're the o2 sensors removed when you dropped the exhaust?

Nah, surprisingly my exhaust didn't even have sensors connected to the kit. Also I checked my MAF sensors but they are fine. When it runs it has a lot of vibration and sounds like crap. I "reset" my fuel pump, and it ran for about 30sec before failing again.

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[E36lover22]

Nah, surprisingly my exhaust didn't even have sensors connected to the kit. Also I checked my MAF sensors but they are fine. When it runs it has a lot of vibration and sounds like crap. I "reset" my fuel pump, and it ran for about 30sec before failing again.

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I'd like to say that a 14k mile old fuel pump wouldnt go bad but I've seen much worse . Is it throwing a code . And how did you check your maf .


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