3SGT-E SW20 Hesitates when Cold - Help Please [Archive] - Toyota MR2 Message Board

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Hi Guys. First time poster so take it easy on me - ok :) I have a 1990 3SGTE that has developed what initially seems to be a bad hesitation/miss when cold, typically from 2000 to 3000 rpm. When the car reaches normal operating temperature everything settles down. If I start the car later in the day the same problem occurs. If i disconnect then reconnect the ECU the problem goes away for about a week or so before returning. This is what I