MAP vs MAF FAQ

[John S. Gwynne]

| MAF advantages
| May have a slight MPG edge

In a closed loop system at steady state (cruise), I would expect the O2
feed back to make the same MPG for both systems.... look forward to
hearing the rational behind this.


| MAF disadvantages

error due to intake track reversion


| MAP disadvantages
| No full time baro compensation

easily changed... an implementation deficiency and not a disadvantage
of using a MAP system.


Questions that remain....

sensor specific limitations of 
  accuracy
  time response
  dependency on other factors such as ambient temperature

john gwynne





| 
| Grumpy
| 
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                                John S Gwynne, PhD.
Mission Research Corporation    Email: jgwynne at mrcday.com
3975 Research Blvd              Tel: (937) 429-9261 x166
Dayton Ohio 45430-2625          Fax: (937) 320-2562
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