91 areostar ecm

1991 ALL OTHER MAKES ALL OTHER MODELS
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NELHERMAR
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i have a 91 areostar 6 cyl automatic 3.0 engine with 133k miles
my engine idles verry rough , black smoke from the tail pipe , there are no engine knocks
i was told by the local garage that several codes came up and could not decipher them
it was suggested by a auto parts store that it may be the computer if there are more than 3 codes on the code reader does that sound right? :?:
May 21, 2007 at 12:25 PM
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BLACKOP555
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may be a possiblitity have it tested before you go and buy a new one
May 21, 2007 at 7:38 PM