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MAP SENSOR CORRECT INSTALLATION

Immortality

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99% of motorist are down on the flat plains of the states of Australia. Hardy see to many Commodores up in the High Plains on country tracks.

Sure but the manufacturer needs to account for all different users to maintain the most optimal tune for emissions which includes baro compensation.

Having driven older models which don't have baro compensation and going skiing and feeling the car start to run worse as you climb higher up the mountain I would have been happier had the car had the MAP sensor fitted.
 

07GTS

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if the sender isnt fitted then it just defaults to a max or min value for baro which either way isnt right so will not run as good all the time
 

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I think the entire engineering team with years of training and huge resources available would have been across its use.
These cars and engines were sold in many countries other than Australia, and NZ is a good example. Having a different engine management hardware for each country wouldn’t be cost effective.
 

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Engine management would be the same, certain manufacturers would simply omit the said sensor/wiring loom portion and adjust the tune to suit and save on manufacturing cost.
 

07GTS

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most with the map sensor just use the key on map reading for baro before engine starts each time, so for it to update u have to turn off and re start if u change altitude so many brought in the standalone map sensor for baro only so it can adjust as u drive
 
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