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afsar View Drop Down
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Joined: 25-November-2007
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    Posted: 08-February-2016 at 10:24
On my F12 N63 engine ISTA/D complaining about low pressure fuel sensor failure, no error on the idrive and car runs fine. I think my mpg has gone down too but not sure 100%. Idle is not super smooth as it use to be before but a new guy won't notice much. I was wondering how to check sensor before I decide to replace it?

both HPFP was replaced under recall (not the big recall but just HFPF recall few weeks back) but I know for a fact low pressure fuel pump error was present before I gave car for recall service.

Current values in ISTA

does the value make sense?
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