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

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Old 02-21-2008, 07:18 AM
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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 02-21-2008, 07:58 AM
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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 02-21-2008, 08:05 AM
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There would be a problem with the computer looking for the tranny and not finding it.
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Old 02-21-2008, 08:15 AM
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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 02-22-2008, 05:38 PM
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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 02-22-2008, 05:40 PM
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check engine light (cel)
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Old 02-22-2008, 05:50 PM
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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 02-22-2008, 06:21 PM
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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 02-22-2008, 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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