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would an ecu off a a/t work on a m/t

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Old Feb 21, 2008 | 07:18 AM
  #1  
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dirtpup
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From: manassas va
would an ecu off a a/t work on a m/t
would an ecu off of a 91 a/t work on a m/t truck
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Old Feb 21, 2008 | 07:58 AM
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From: austin, tx
Pins may be different.. need to look up the pin out on both. After 1988.5 there was a bit of variety in ECU pin out... esp auto vs manual.
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Old Feb 21, 2008 | 08:05 AM
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From: skiatook ok
There would be a problem with the computer looking for the tranny and not finding it.
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Old Feb 21, 2008 | 08:15 AM
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From: Puyallup WA.
my buddy did a 5sp swap and didnt swap ecu. the speedometer didnt work and it would throw a CEL.
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Old Feb 22, 2008 | 05:38 PM
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From: manassas va
Originally Posted by Tofer
my buddy did a 5sp swap and didnt swap ecu. the speedometer didnt work and it would throw a CEL.
what do you mean by cel what is that?
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Old Feb 22, 2008 | 05:40 PM
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From: Lincoln, CA
check engine light (cel)
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Old Feb 22, 2008 | 05:50 PM
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From: Sweet Home, OR
seems to me somebody did this a while back and it turned out ok, but they had to trick the computer into thinking the auto was in N
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Old Feb 22, 2008 | 06:21 PM
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From: NW Ark on wooded ten acres...Ozarks at large!
Originally Posted by Tofer
my buddy did a 5sp swap and didnt swap ecu. the speedometer didnt work and it would throw a CEL.
Makes sense. The auto trannies have speed sensors......number one happens to be at the back of the speedo.
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Old Feb 22, 2008 | 08:11 PM
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I've done this on a 88' Toyota MR2 and all you have to do is jumper 2 pins so it thinks its in neutral.
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