At 04:27 PM 7/5/2014, Neil N wrote: >You know more than I David but with Bosch Motronic 2.9 (and OBD2 as >well), there is an intake air sensor mounted post MAF in intake >plenum. You've actually had your hands on one, I think that trumps me a good deal. ;-) And using a temp sender is the obvious thing to do as you can actually calculate the delta-T instead of trying to swamp the errors.
>Mortonic 2.9 ECU uses both IAT sensor and MAF for same or similar >purpose as does the WBX AFM? > >I don't know if the "hot wire" in the MAF I'm running gets as hot as >the Platinum part you refer to, but duly noted in terms of cleaning. >There's lots of threads in Mk3 forums re: MAF's getting oil fouled. About the only other thing I think I remember from this study back when MAFs were fairly new (this might have been a Subaru one?) -- anyway, I have a distinct impression that they mentioned that at that time the predominant cause of MAF failure was techs or owners trying to clean them and busting the wire. I offer this for entertainment purposes only, so to speak. d |
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