Truck won't stay running
My husband bought a 89 Ranger back in Feb. Ran good for about two weeks. One day he called me thinking he was running out of gas (gauge doesn't work) while he was on the interstate. Told him I would meet him when he was able to either pull over or get off the interstate. Well he made it to the gas station, put gas in it and it still wouldn't start. So I went and picked him up. Later that night we went to try to get it. It ran for about a mile but while I was following behind him it had a foul smell coming from it. So it got towed home. He thought maybe it was the fuel filter so he replaced that. It will crank but as soon as you let your foot off the gas it cuts off. He thinks it is the cat converter because we had a car that had that problem. (half the muffler is gone from rust) Any other ideas of what it could be? Oh, the check engine light doesn't come on.