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log boost with JDM MAP sensor (updated instructions)

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Old Aug 6, 2008, 09:41 AM
  #526  
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Originally Posted by Mike01gsr
You can also buy the Evo X map sensor which is 3 bar and the same as the
jdm map sensor. Mistubishiparts.net sells them for about 148 shipped and
they are in stock!
Does anyone happen to know the Part # for the Evo X MAP Sensor? I have a hell of a time finding anything on Mitsubishiparts.net without part numbers... =\
Old Aug 6, 2008, 09:50 AM
  #527  
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ask and you shall receive....lol Looks like shipping went up...wtf!

http://www.mitsubishiparts.net/cart/?id=571&pn=1865A052
Old Aug 6, 2008, 10:58 AM
  #528  
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1865A052

That is the part number for the X MAP sensor, and the one I ordered. Shipping is a bit higher, but it comes out to 148, as mentioned in a previous post.

M
Old Aug 9, 2008, 04:02 PM
  #529  
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Originally Posted by mrfred
I did a custom patch for a 98640011 customer several months back. Was waiting for a result from the customer to hear how well it worked, but never heard back. I suppose I should just post the patch.
engine almost done...soon.
Old Aug 23, 2008, 12:14 PM
  #530  
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Is this normal? With the car off (key in on position) and warm I'm seeing fluctuations in the MDP signal. I couldn't hear any solenoids going or anything draining the electrical system and it seemed to happen even after I left it for a minute. I know we have a noisy electrical system thanks to my passport 8500 x50... but re-soldering the power connector choking it solved that problem completely in that instance. I assume something could have been draining the power without my knowledge though.

evoscan v2.5, tephra v5.10, direct boost control on evo IX SE

Attached Thumbnails log boost with JDM MAP sensor (updated instructions)-mdp_fluctuation.jpg  
Old Aug 23, 2008, 05:55 PM
  #531  
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Originally Posted by fostytou
Is this normal? With the car off (key in on position) and warm I'm seeing fluctuations in the MDP signal. I couldn't hear any solenoids going or anything draining the electrical system and it seemed to happen even after I left it for a minute. I know we have a noisy electrical system thanks to my passport 8500 x50... but re-soldering the power connector choking it solved that problem completely in that instance. I assume something could have been draining the power without my knowledge though.

evoscan v2.5, tephra v5.10, direct boost control on evo IX SE
The minimum increment in boost is about 0.15 psi. If the sensor is right on the fence between two values, the boost can fluctuate about 0.15 psi. Shouldn't be more than that though.
Old Sep 11, 2008, 10:46 PM
  #532  
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i tried readin through this thread for my answer and couldn't find it. i am interested in running a jdm map sensor or a GM map. i prefer to run gm map since i work at a gm dealer and i can get the part simply and cheap. My question is wats the difference between gm map and jdm. also is there a part number or what vehicle should i say i need a map for, like an impala???
Old Sep 14, 2008, 02:06 PM
  #533  
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anybody know the answer to the above question
Old Sep 14, 2008, 02:15 PM
  #534  
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Possibly the voltage range and scaling. MrFred is helping me get the Zeitronix 3.5 bar map sensor to work on my car and its not the easiest thing to get it to work so far. I'm hoping he has time to get it to work better with higher resolution. In short, its more plug 'n play to use the JDM map although any map sensor can be used if you can bribe an ECU guru to help you lol.
Old Sep 14, 2008, 02:48 PM
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thanks. thats the answer i was looking for.

so is the X map exactly the same as the jdm map? or is it also slightly different and u have to beg a guru??
Old Sep 14, 2008, 04:28 PM
  #536  
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The X map sensor is the exact same part.
Old Sep 14, 2008, 07:08 PM
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aight i will just get that then. i can get it for cost and it seems the jdm map is more popular than gm map. Thanks JACK.
Old Sep 17, 2008, 11:21 PM
  #538  
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mfred, on the rom 94170014 you have 4 voltage check address's and only 3 corrections. Same for the 94170018 is it safe to say that nothing changes on the 4th address which defaults to 4.2 volts? or do we erase the extra "MAP Test 2: Low VE Max Voltage"

Thanks
Old Sep 18, 2008, 07:42 AM
  #539  
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Originally Posted by Evoryder
mfred, on the rom 94170014 you have 4 voltage check address's and only 3 corrections. Same for the 94170018 is it safe to say that nothing changes on the 4th address which defaults to 4.2 volts? or do we erase the extra "MAP Test 2: Low VE Max Voltage"

Thanks
Yep, just leave that item alone.
Old Oct 16, 2008, 12:54 PM
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mrfred, will your patch for 96420008 work on a 96420011 rom? thanks


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