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914World.com _ 914World Garage _ ECU

Posted by: 74ravenna Mar 15 2016, 06:41 AM

What the best (easiest) way to test the computer to see if its any good?

I have a 74 1.8.

Thanks.

Posted by: BeatNavy Mar 15 2016, 06:46 AM

Road test it (in a car) or use one of those diagnostic machines if you can find one. I don't think there's an easy or simple way to verify ECU function, but I could be wrong. I have been before.

Posted by: jim_hoyland Mar 15 2016, 07:05 AM

There is a thread explaining some bench tests you can do with a multi-meter; otherwise, see how it works in the car. From my experience, these rarely fail unless they are subjected to flooding or other trauma

Posted by: mepstein Mar 15 2016, 08:19 AM

QUOTE(74ravenna @ Mar 15 2016, 08:41 AM) *

What the best (easiest) way to test the computer to see if its any good?

I have a 74 1.8.

Thanks.

Put it on a good running car.
That's how we test our 3.2 ecu's.

Posted by: Jeff Bowlsby Mar 15 2016, 09:28 AM

I have an EFI Associates tester that checks the various L-Jet ECU functions, but it interposes with the FI harness and requires the entire FI system including the ECU, sensors and injectors be checked at the same .

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