Mechanics

COMPUTER QUESTION

1993 GMC Sonoma

Computer problem
1993 GMC Sonoma 6 cyl Two Wheel Drive Automatic 197654 miles

I was wondering if I had to buy a ECM with the exact same oem number or if I could get one for this truck but with a different oem number? I was told that I had to go to a dealership to get a ecm with the oem number 16181651. But then someone else said that as long as I got one for the same size truck with the same motor it would work just as fine. If you could point me in the right direction I would appreiciate it.
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Tstone9202
January 14, 2008.




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