Mechanics

VOLTAGE

2004 Ford Freestar • 170,000 miles

Installing EFIE on my car with hho gen. Have no reaction on my signal wire from maf sig wire. What voltage should I have to make my tuner work? Or is there a reason I can not over ride my pcm? Tap into O sensors, ect, iat & MAF. Trouble with no response on MAF signal wire.
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Cbgmail
August 29, 2013.




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