MX5 Miata Tech Forum

possible computer prob

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dancfar Dan F
Kennewick, WA, USA   USA
Just bought a 2000 Miata with an automatic trans. The previous owner said the stock computer had been replaced by a computer from a manual trans. Most of the time the car behaves predictably but when you mash the gas, it down shifts and then sputters and hesitates at about 6000 rpm. Then when you let off the gas a little it shifts and continues flawlessly. So is this behavior because of the mismatched computer or could it be something else?

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1990 Mazda MX 5

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