The most common issue in that example, where it didn't have the additional issues when parked and you can't talk to the EEC now might be power and grounds.
KMT Today, 02:51 PMGood afternoon, first post here! Grandfather passed away long time ago and left a 1993 Tbird SC it doesn't have more than 30K miles. It was used for a
marcosrodoca Today, 02:11 PM
1994 SC 5 Speed.
Car is sold.
SDSC Today, 03:02 PM