Thread: Chipped 91 ECU in a 93?

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2011-02-26 22:23:42

SE-R_TECH

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Chipped 91 ECU in a 93?

So i have a 91 ECU laying around, can i get that one chipped and use it in my 93? i thought i read somewhere they were different but i cant seem to find that info now.

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Ryan

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2011-02-27 01:54:18

BlueRB240

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I thought so too, I saw a 94 run with a 91 ecu.

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2011-02-27 02:04:29

cees

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It's all the same 91-94 Is obd1

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2011-02-27 17:30:32

billc

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Just make sure it's for a 5-speed, not an automatic. Except for the tranny, all 1991-1993 are interchangeable. I don't know about 1994 -- that's when things started to change.

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2011-02-27 18:39:29

jer_760

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You can also use an auto ecu if need be, you will just throw a couple of codes but it will run the car fine.

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2011-02-27 18:56:50

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thanks guys!

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2011-02-27 22:45:00

billc

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Originally Posted by jer_760

You can also use an auto ecu if need be, you will just throw a couple of codes but it will run the car fine.

I don't know about an auto ECU running a 5-speed but it does not work well the other way around (5-speed ECU running an automatic).

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2011-02-28 08:15:09

jer_760

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Originally Posted by billc

I don't know about an auto ECU running a 5-speed but it does not work well the other way around (5-speed ECU running an automatic).

You are correct, you cannot use a 5speed ecu in an auto car. But an auto ecu in a 5speed car works just fine.

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2011-02-28 09:54:24

Will

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Originally Posted by jer_760

You are correct, you cannot use a 5speed ecu in an auto car. But an auto ecu in a 5speed car works just fine.

right, just a CEL.

I thought there was some difference between the 94 harness plug and the 91-93..... like 94 has the OBDII style white plug but is still OBDI?

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2011-03-01 04:19:31

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squabzter

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What about the speed sensor in 93? In 91,92 it was cable driven

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"aight yo dawg check it, you prolly fuxed something up when u was fuxin wit it.. naw im sayin? if i wuz yew i wood chek my fuses and relays yo and also maybe read da phucking manual an findz out wut wirez are wut yaddadaming?"-lynchfourtwenty

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