just got my car out of the transmission shop. has a brand new t850 stock tranny and clutch. works fine for a couple of miles then sputters and wants to die almost like its not getting fuel. fuel pump works and fuel filter is good. only does it in gear more so in reverse. possible sensor in tranny bad? possible short in wires somewhere? let it cool off and works again for a couple more miles. confused as hell someone please help.