TwinTurbo.NET: Nissan 300ZX forum - Bizarre SAFCII settings
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Subject Bizarre SAFCII settings
     
Posted by hijack on March 25, 2010 at 12:04 PM
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Message I just installed a 2nd maf into my setup. Previously it was
single maf / dual-pop / dual pop-ecu - now it's dual maf /
dual-pop / dual pop-ecu. Before I installed the 2nd maf i
noted all the settings on the safc. This seemed odd -
originally the settings were:
Sens No: IN 01, OUT 01
Sens Cal: IN 01, OUT 01

The "Sens No", according to everyone on this site and the
safc manual is supposed to be IN 02, OUT 02. The Sens Cal
was fine - i changed this to IN 02, OUT AVE after installing the
2nd MAF.

Well, I changed the Sens No setting to IN 02, OUT 02 (which
is supposed to be the right setting), but it doesn't work
properly. The car runs and idles ok, but stalls quickly under
deceleration. Also, the airflow value is 7% at idle and reaches
100% at 2500 rpm at 35% throttle. I triple checked every
other setting in the SAFC and they are correct.

I changed the Sens No setting back to IN 01, OUT 01 and the
car is running perfectly. What the hell is going on? Are the
SAFC directions incorrect? Maybe there's something messed
up within the SAFC? I'm definitely running Z32 mafs! Any
ideas would be appreciated.

Thanks.

Jack

     
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