My 91 850 has developed a miss when started cold. It stays until the temp gauge reaches normal operating temp, then runs fine. Previous owner had the intake gasket deal done about 6k miles ago(32k total), but who knows? How does the ECM handle the cold start enrichment? Longer pulse? Does it use coolant temp to kick out of the cold mode? This board has some ace troubleshooters, and I'd like them to lead me down the Path of Troubleshooting Righteousness to get this fixed.