I just threw in a junkyard cluster and the check engine light is gone. I couldn't wait to test the mpguino so i temped the wires together being very careful not to repeat the previous issue. And the Mpguino works perfectly now. I just need to make some minor calibration adjustments. the speed is different from the speedometer reading and my gps reading. It's reading average of 54 mpg. it says i'm going faster than i actually am. may need to adjust measurements on tire size ect. Thanks again for all the help. next i need to get a new economy grind camshaft for the metro to improve mpg. and maybe a higher gear on the final in the tranny.
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