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Old 01-03-2008, 01:31 PM   #1
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Default MSPNP MAP sensor

How is the MAP sensor attached inside the case? I am always nervous it will break loose from the board because it doesn't feel very secure. I sometimes swap my PNP between cars and pulling the vacuum line off isn't easy. I've resorted to slicing it but soon the line will be too short.
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Old 01-03-2008, 01:42 PM   #2
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good point, i forgot to look when i had mine open, but i did think the same thing, i usually just twist my line until it feels looser...good luck, i hope you dont break it man
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Old 01-03-2008, 01:50 PM   #3
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is it the normal 250kPa sensor? then it's bolted to the motherboard.
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Old 01-03-2008, 01:52 PM   #4
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I just got my PNP in the mail a few days ago. I noticed the same thing about the connector for the vaccum line. It was basically able to turn freely. I'm going to install this weekend, so hopefully it'll still work.
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Old 01-03-2008, 01:57 PM   #5
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Originally Posted by Braineack View Post
is it the normal 250kPa sensor? then it's bolted to the motherboard.
i believe the 94/95 MSPNP used the MapDaddy 4 bar.
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Old 01-03-2008, 02:34 PM   #6
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I'm also pretty 99% sure you have the mapdaddy. The mapdaddy mounts using a bulkhead fitting with a big beefy barb. I'm sure they use something similar on the MSPNP as they do with the stand MSI kits. I wouldn't worry about breaking it when pulling the line off. Just don't go insane with it.
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Old 01-03-2008, 03:27 PM   #7
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Originally Posted by cjernigan View Post
I'm also pretty 99% sure you have the mapdaddy. The mapdaddy mounts using a bulkhead fitting with a big beefy barb. I'm sure they use something similar on the MSPNP as they do with the stand MSI kits. I wouldn't worry about breaking it when pulling the line off. Just don't go insane with it.
That's exactly what we did. The MAP sensor barb is attached to the case and not really connected to the motherboard. Worst case is that you could break the bulkhead fitting, but it's a very cheap part to replace.
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Old 01-03-2008, 05:07 PM   #8
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someone got a pic? i don't want to open the case. i'm curious whats going on with that thing. or i guess i could open this MS that cjernigan built that just came in the mail. thats got the exact same map sensor, right?
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Old 01-03-2008, 05:14 PM   #9
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I believe it should be similar....where yours doesn't stick out due to the PNP case design.
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Old 01-03-2008, 05:34 PM   #10
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On '94-'95 MSPNPs, it will stick out of the side of the case just like the non-PNP Megasquirts.
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Old 01-03-2008, 05:39 PM   #11
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Quote:
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On '94-'95 MSPNPs, it will stick out of the side of the case just like the non-PNP Megasquirts.
Yep, it also has a metal washer on the inside of the case. So you really shouldn't be able to pull it out.
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Old 01-03-2008, 05:56 PM   #12
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ok, so it's connected with a rubber tube it looks like. now i feel better. thanks Scott
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Old 01-04-2008, 10:07 AM   #13
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ok, so it's connected with a rubber tube it looks like. now i feel better. thanks Scott
Yep. The fitting is not a part of the MAP sensor itself.
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Old 01-04-2008, 10:23 AM   #14
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Quote:
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ok, so it's connected with a rubber tube it looks like. now i feel better. thanks Scott
EVERYBODY wants you to feel better, paul. Maybe through our efforts you will feel good enough, someday, to capitalize your name.
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Old 01-04-2008, 11:19 AM   #15
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He won't feel good until all the miatas in his family have turbos.
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