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2013 E70 X5 35i N55 fuel issue 2013 E70 X5 35i N55 fuel issue
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Old 06-04-2023, 09:34 PM
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Rail pressure never goes above 1.25 mPa, I think that's too low for HPFP.
N55 has both LP and HP fuel sensors.
Odd that scanner screen shots are both titled "high pressure", when they have different "nominal" values.
1.25MPa (12.5 barg) is too high for LP side.
Seems like LP sensor is fubar or EKPS is working overtime, or scanner isn't really reading LP fuel pressure sensor on "high pressure" screen.
ISTA will tell you to confirm LP fuel pressure with gage.
Last edited by pshovest; 06-04-2023 at 09:52 PM.
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