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      09-19-2019, 10:57 PM   #1
Enpethan
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Drives: Bmw 535i
Join Date: Apr 2017
Location: LA

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2011 535i high pressure fuel pump issue

Hello,

I have CEL "Drive moderately. Maximum drive train output not available"

However it will be turn off when restart to engine.

So I was trying to read OBD, it show high fuel pressure is too low and several cylinder is misfire.

My symptom are
- hard to start engine when in the morning
- no power when press gas pedal
- sometime engine is jerky

I had recall service fuel pump last year and recently i took to bmw dealer. They have reprograming HPFP. However i have same problem.

Anyone has same issue?

I have planing to replace spark plug and ignition coil first then will replace HPFP.
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