u/I-am_retarded

My zj is having a bunch of weird issues i got it from a buddy who replaced nearly 2 grand in parts maybe over that, its a 5.2 and it had the fuel tank replaced one day he was filling it and the tank pissed fuel everywhere, fuel pump,radiator, alternator more i cant rember now last fall we went outside and near the transmission it was straight pissing fuel he gave up on it let it sit a winter then i bought it now heres where it gets weird with over half a tank we threw a jump box on it and bam it starts up no damn issues so we run it drive about 15 mins then let it idle maybe another 5-10 minutes no leaks no problems give it a day and with a jump box it was cranking then it would start but you had to floor it to keep it idling we did that for a minute then just let it sit, now we inspected fuel lines and there is no where we could find the leaks, any tips on what i should replace or do, only thing mechanically rn i believe it needs is the TPS sensor any advice or tips help its not my daily its my beater/cheap offroader just tryna not break the bank with repairs.

My zj is having a bunch of weird issues i got it from a buddy who replaced nearly 2 grand in parts maybe over that, its a 5.2 and it had the fuel tank replaced, fuel pump,radiator, alternator more i cant rember now last fall we went outside and near the transmission it was straight pissing fuel he gave up on it let it sit a winter then i bought it now heres where it gets weird with over half a tank we threw a jump box on it and bam it starts up no damn issues so we run it drive about 15 mins then let it idle maybe another 5-10 minutes no leaks no problems give it a day and with a jump box it was cranking then it would start but you had to floor it to keep it idling we did that for a minute then just let it sit, now we inspected fuel lines and there is no where we could find the leaks, any tips on what i should replace or do, only thing mechanically rn i believe it needs is the TPS sensor any advice or tips help