I changed the thermostat & now car wont pick up speed idles fine but when U put it in gear it idles rough tore it apart 3 times looking 4 anything wrong every thing was put together right it wont throw any codes other than p1000 the live data feed shows dead & then jumps around to .020 I have cut the harness apart by the thermostat but dont show any signs of a bad wire i5 is getting fuel & building a lot of pressure in gas tank