symptoms of a bad pcm?
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Join Date: Jan 2006
Location: ringgold,ga
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mine went bad in my 93 t/a. which is different from the 94 and up. it would misfire and cutout after the car got warm. when it was cold it didnt have a problem. after swapping a few things and having no luck i swapped the computer. i've had no problems since. my cousin also had a 93 t/a and had the same symptoms. after changing the coil and ign. module he was convinced that the opti was bad. i disagreed but swapped a new opti for him, which had no effect. another computer fixed it aswell.