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when I did my swap I used a Bonnie engine and a GTP wiring and I noticed that the Bonnie are using 2 MAP sensor while the GTP only have one. I'm running the GTP set-up but I was wondering what are the difference of those MAP sensor. Are the 2 from the Bonnie the same as the GTP one? (I mean if ever something went wrong with my GTP's one, can I just replace it with one of the Bonnie's or it won't give good reading?)
 

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On a Bonnie one MAP is for the same use as the GTP to allow the PCM to do its "thing", while the other extra one is for the stock boost gauge that comes in a Bonnie.
 
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