wuz up g owners . ok here's the specs 96 4g64 auto. here's the problem coolant temp sensor malfunciton and mass airflow sensor malfunction , just replaced coolant temp sensor same problem, fans constant on and running extremely rich, the lead tech at my shop thinks it's a bad ground , everything checked out alright , i'm thinking it's the pcm . has anyone else expirienced this same problem, i'm wanting to keep this car alive