[prez!]

I am considering buying a ' 97 Carrera S, I have heard that there is an issue with the air injection system clogging. A local service shop told me that this causes the " check engine light " to come on and the car will not pass emissions test. I am told this requires a top end engine rebuild to totally take care of the problem. Does any one know if all '96 to '98 993's have this potential problem. Anyone's knowledge on this issue is greatly appreciated. Thanks.

Jeff
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' 03 AMG E55