2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

Just a curious question

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Old Dec 7, 2006 | 08:46 PM
  #1  
Mankdrake 2661's Avatar
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Mazda goes MMMMMMMM
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Just a curious question

So what does the boost sensor do?
(other than red boost!)
As in, what does it activate, shutoff that sort of thing?
Inectors, timing, A/F ratios.........
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Old Dec 8, 2006 | 06:28 AM
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Turbonut's Avatar
Eats, Sleeps, Dreams Rotary
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To be simplistic, I would assume that the Pressure Sensor reads the boost, converts to a signal, supplies the boost gauge and ecu with the reading, then the ecu will change fuel/ignition curves accordingly.
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Old Dec 9, 2006 | 12:40 AM
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Mankdrake 2661's Avatar
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Mazda goes MMMMMMMM
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From: Collinsville, IL
And kind of on the same lines.....
If the fuel cut can do so much damage to the motor, why did Mazda limit boost that way? Why not cut the ignition like a rev limiter?
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Old Dec 9, 2006 | 10:09 PM
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13bturbofc's Avatar
mmm doritos
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who knows....there must be some reason for i though otherwise they wouldnt have done it
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