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| 01-01-2019, 10:23 AM | #1 |
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Private
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lpfp reading on jb4 question
So I ordered a fuel pressure sensor because I saw I was reading 0 but I could still hear the pump prime.
Well the other day I soldered my diode back on my jb4 to go back to integrated firmware as I wasnt liking the iso firmware. Well since I did that I'm now getting a readings from my low pressure pump. Being curious I went back into my logs and my readings on my low pressure pump went to 0 around the time I cut the diode and went to iso. Is cutting the diode and loosing lpfp readings directly related and has anyone else seen that? Or do you think the sensor is going bad and it's just a coincidence the reading came back after resoldering the diode. |
| 01-07-2019, 11:34 PM | #2 |
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First Lieutenant
 
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The LPFP readings on the JB4 are 100% meaningless and they removed them showing at all on newer firmware because it wasn't a sensor reading. There is no LPFP sensor on the N55 for it to read.
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2022 G82 M4 - Isle of Man Green w/Kyalami Carbon Bucket Seats - MST Intakes, SSR Downpipes, JB4, AWE Exhaust.
2013 F10 N55 (535i), Pure Stage 2, Fuel-It PI Platinum, Fuel-It Stage 2 LPFP, BootMod3, Custom Turbo Inlet, Custom Cary Jordan Tune, More.. SOLD! 1999 e36 M3 - Estoril Blue - Track Car - S54 Swapped |
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