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How does APS deal with MAF issues??

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Old 01-11-2005, 05:21 AM
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g356gear
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Default How does APS deal with MAF issues??

Over the past year there have been a few threads on this issue....especially with regard to tuning the Z for boost. With the Greddy TT kit the MAF voltage is clamped under boost to prevent the ecu from freaking out. Because the APS kit uses a piggy back as well does it do the same thing?? I am curious because I know they have some higher boost maps being released soon...just want to ses if they do it any different. Maybe APS can chime in??
Old 01-11-2005, 09:06 AM
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narkotic
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Default Re: How does APS deal with MAF issues??

I'm pretty sure they clamp it as well, as they include a MAP sensor for their fuel/air maps.

Originally posted by g356gear
Over the past year there have been a few threads on this issue....especially with regard to tuning the Z for boost. With the Greddy TT kit the MAF voltage is clamped under boost to prevent the ecu from freaking out. Because the APS kit uses a piggy back as well does it do the same thing?? I am curious because I know they have some higher boost maps being released soon...just want to ses if they do it any different. Maybe APS can chime in??
Old 01-11-2005, 11:53 AM
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azrael
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I haven't looked at it carefully, but I would bet money that they clamp the MAF signal with a 4.7 V zener diode somewhere in their cabling or piggyback setup.
Old 01-11-2005, 01:54 PM
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Sharif@Forged
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yeah...the unichip must do this somewhere.....
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