Check engine codes

1991 MITSUBISHI GALANT
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MEMBREYA
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I've read that you can obtain the check engine codes by using an analogue multimeter.

Does anyone have a list of the error codes that it can return and how to read them on the multimeter?
Apr 17, 2013 at 5:34 AM
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HMAC300
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never heard of that one normally the obd 2 scanners have to be powered by the car so unless you can power up multimeter then it wouldn't work. but i'm no electronics expert either.
Apr 17, 2013 at 6:40 AM