Pre 84 Trucks 1st gen pickups

ECM removal/1983 Canada emissions

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Old Dec 18, 2012 | 03:37 AM
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Padawon's Avatar
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From: Oklahoma
ECM removal/1983 Canada emissions

Extremely long story short…
Moved from CA and I have an 1982 CA emissions truck. I now live in Oklahoma where there are hardly any Toyota parts and luckily there are no Emissions /smog checks. I Have a ghost problem with truck running and it has stumped several great mechanics even a Toyota certified mechanic. Narrowed it down to the emissions or ECM. I want to swap the emissions over to the 1983 Canada 4x4 can I do this and will it still run good? Do I bypass the ECM when I convert it to Canada 4X4.
Rebuilt long block re built carb. Less than 2000 miles. It seems I have heard of people doing this conversion.

2nd question is can I run the motor without emissions equipment and ECM. I already have EGR block off plates.
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Old Dec 18, 2012 | 05:57 AM
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From: new mexico
Read the whole thing!!

https://www.yotatech.com/forums/f114...ly-22r-205845/
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Old Dec 18, 2012 | 09:49 AM
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From: Oklahoma
cool but not really.
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Old Dec 19, 2012 | 03:05 AM
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From: Downingtown, PA
You can convert your truck to the Canadian version but the problem is the plug that goes to the ECM. The Candian plug is a lot smaller (not as many pins). If you can get a Canadian plug or old used harness you can spice the proper US wires into the Canadian plug and you will be fine. If you have a factory service manual all the wiring is shown. Also, remember to change your Emission vacuum lines, controls, etc to match the Canadian system. I live in Pennsylvania and if you drive under 5000 miles per year you are exempt from Emissions testing. Check to see if Oklahoma has a similiar law. I run no Emission controls on my engine.
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Old Dec 19, 2012 | 06:28 AM
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It is my understanding, the ECM only controls the fuel cutoff solenoid and can be removed if you wire the solenoid to the ignition switch
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Old Dec 19, 2012 | 06:28 AM
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From: Oklahoma
After you desmog, that is
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Old Dec 19, 2012 | 09:07 AM
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From: Downingtown, PA
The Canadian ECM only controls the Carb Cold Mixture Heater (CMH) Relay / CMH Heater (pins 2&5), Thermo Switch input (pin 1), Voltage Regulator input (pin 4) and Ground (pin 3).
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