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A little RX8 front end trivia...

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Old 04-26-2005, 11:52 PM
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This one gets asked a lot:

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Old 04-26-2005, 11:54 PM
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1 Yaw sensor ?

2 DSC/TCS controller
Old 04-26-2005, 11:54 PM
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Originally Posted by snap-on
Jeff..looking at that crossmember I'd say the was not an opossum..unless he was eating the Maryland highway. :p
Heh. The cross member is a victim of my steep driveway which crests just as it enters the garage.

The blood and guts might have been a pedestrian, but I'm pretty sure it was a rodent.:p
Old 04-27-2005, 12:03 AM
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Originally Posted by MazdaManiac
This one gets asked a lot:


Mazda actually calls this a boost sensor...ah how we can dream.

Well not Maniac. He lives our dream. Psst
Old 04-27-2005, 12:17 AM
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Originally Posted by snap-on
Mazda actually calls this a boost sensor...ah how we can dream.
Strange! The FSM has it by its proper name, however. I wonder what the true calibration on that is? Its operating range is .2 to 4.8v, but at what pressures?
Old 04-27-2005, 12:28 AM
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Original or Extra Crispy????

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Old 04-27-2005, 12:56 AM
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Eeew! KFC in yo' grille!
Old 04-27-2005, 08:37 AM
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2. eManage?
Old 04-27-2005, 10:45 AM
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Dannobre got it right in post #27.
Old 04-27-2005, 12:00 PM
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Originally Posted by MazdaManiac
Dannobre got it right in post #27.
Interesting...then, what's #1?

Last edited by RX8-TX; 04-27-2005 at 04:35 PM.
Old 04-27-2005, 12:24 PM
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It is the yaw sensor. It detects the spin/rotation of the chassis for the DSC/TCS.
Old 04-28-2005, 01:16 AM
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Funny, that "boost sensor" looks almost exactly like the Boost control Solenoid on a WRX...

Does it really have something to do with air pressure?
Old 04-28-2005, 01:22 AM
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Mazda calls it a boost/baro sensor.

It monitors the intake pressure...be it negitive or positive.
Old 04-28-2005, 01:30 AM
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Originally Posted by snap-on
Mazda calls it a boost/baro sensor.

It monitors the intake pressure...be it negitive or positive.
It measures the ambient air pressure. It isn't connected to the intake. It just measures the static air pressure so that the MAF will be referenced to something other than just air temperature.
It has an intake tube about the size of a crayon extending straight down where it sits between the ECU cover and the air pump.
That is why it is called a barometric pressure sensor.
Why Mazda corporate would call it a boost sensor is beyond me. It isn't listed as such anywhere in the published literature.
Old 04-28-2005, 01:41 AM
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Originally Posted by MazdaManiac
It measures the ambient air pressure. It isn't connected to the intake. It just measures the static air pressure so that the MAF will be referenced to something other than just air temperature.
It has an intake tube about the size of a crayon extending straight down where it sits between the ECU cover and the air pump.
That is why it is called a barometric pressure sensor.
Why Mazda corporate would call it a boost sensor is beyond me. It isn't listed as such anywhere in the published literature.


Ok Jeff..you got me.
Old 04-28-2005, 12:19 PM
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:p
Old 04-29-2005, 08:42 AM
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Brothervoodoo has just turned this thread into Rotten.com. Yuck.

CRH
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