I have a 1999 Ford Explorer XLT it's mileage is 241404 I bought it from someone he said that the engine was replaced and the driver door was replaced but it didn't seem like it was something major did I have noticed that both sides by the doors it doesn't line up and be smooth so I think it's been smashed from the front but everything looks pretty new it doesn't look too old the dial inside for the heat on the truck I'm pretty sure it's not supposed to just keep spinning around and around and the heat works only when it wants to I have to have it shut off and turn the dial to Heat and then put it on high fan art doesn't blow and I also have to either have it on floor and defrost or just defrost to get the heat to work and sometimes then it don't work and sometimes the gauge goes up and down but my gauge also doesn't line up with the cold and hot symbols correctly to begin with like it hangs underneath cold when it's called and when it's warm it sits at the line above the sea and I've only got it to go up to the halfway mark once and it's when I poured it on the highway with the heater running just to try it and see if that would work and I didn't mean like for it for it but I made it go high in speed pretty quickly and it went up but it shifted and it just drops straight back down almost feel like nothing it cold again once I had it shipped and then I started to slow down and it has a weird idle like you do I don't normally for a while and then it'll go like it's going to quit putting out gas but like not shut off or die it don't even act like it's just dying it just sounds weird most of the time it doesn't even make the RPMs change either though if it does it's just 500 RPMs and it bounces back and forth a little bit between the 500 and I know that my battery cables were messed up to a point for the terminals but I got a good good connection now and it's never idle above 1500 RPMs only when it first started when the connection was bad with the battery and it would eventually drop back down after a couple minutes when it would idle it might not even take a couple minutes it just like take a minute but it stays under a thousand RPMs it just barely sits over 500 right now except for when it does that idle rough and it just goes up a hair basically at the 500 up to the one maybe a hair about the one I have a good idea of what it really could be but I would like a better second opinion before I go and start buying parts cuz I don't have a lot of money even with the stimulus thing cuz I paid off bills with but I'm looking forward to putting the rest of that stimulus to the my truck and get it in good condition I'm working my hardest it's killing me metaphorically but I do greatly appreciate a response about it I hope you have the time to get to it as soon as possible on answering me but until then thank you once you do know for sure I do know that I also have a door that I need to replace apparently but the thing is the one is I'm needing to replace even though it's not there I was told that's the one for the floor air and I get air on the floor very well front and back so I don't know about that getting that door that what's your suggestion just do it anyway he didn't Tip Top or something I shouldn't worry about but yeah anyways stay safe thank you looking forward to the reply and have a good day