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Just got my Comanche (1988, 4.0L inline 6 cylinder, 2wd) a couple months ago, and have been working through the various quirks. It drives has been driving well, but two days ago I had to get towed home. After driving for about 20 minutes, it died at a stop light. Turning the key would crank the engine, but no fire. I tapped on the fuel filter, poked about in the engine, and tried to start it for a while, but didn't want to run the battery down. When my tow got there and pulled me into a parking lot, it started, but it died again after a few blocks and had to be towed the rest of the way home. Looking around the forum here, I see it could be an O2 sensor, the ERG valve, or the IAC. I pulled the IAC and cleaned that with some Carb cleaner. I killed it by pulling on the ERG, but it started right back up again. I let it idle until it died (about 20 minutes?) and it won't start now. I will be checking the reading on the O2 sensor once I can get it running for a bit again. I have only a little experience working on cars (thanks for the pinned Acronym list!), so any advice you can give me would be great. Thanks in advance.

Large list of parts for the MJ. Heavy on brake parts but lot s of other stuff too. http://www.rockauto.com/RSS/vehiclefeeds.php?carcode=1181821&m=wc&l=en&html=true