JB4 BCM installed, P0174 code??

Rmfive · 11-25-2019, 09:40 PM

Hey guys,

I just installed JB4 BCM, now P0174 code pop up?? Any clue?? Vac leak?

Simple5 · 12-10-2019, 02:24 PM

Remove the tune and see if the code still pops up. Sometimes existing weaknesses start showing when you push higher power levels. See if you can replicate the problem.

11-25-2019, 09:40 PM	#1
Rmfive Private 2 Rep 58 Posts Drives: M5 Join Date: Jun 2019 Location: NorCal iTrader: (1)	JB4 BCM installed, P0174 code?? Hey guys, I just installed JB4 BCM, now P0174 code pop up?? Any clue?? Vac leak?
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12-10-2019, 02:24 PM	#2
Simple5 Major 348 Rep 1,406 Posts Drives: 2013 M5 Join Date: Jul 2011 Location: USA iTrader: (8)	Remove the tune and see if the code still pops up. Sometimes existing weaknesses start showing when you push higher power levels. See if you can replicate the problem.
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