Vehicle: 2004 TJ Rubicon
Engine: 4.0 Straight Six
Outside Temperature: 25 degrees
I have had this vehicle for one week now and this morning it would not stay started. It starts easily runs for about two seconds and then stalls. It does this every time you start it up, stays running for the same amount of time and then stalls. I tried giving it some gas to see if that would keep it started but it did not help, still stalled after the same amount of time, just a few seconds. Because it always stays started for about the same amount of time it feels like an electrical issue of some kind? Also, this is the first cold day that I have had the vehicle.
Well, I tried that and the problem is still happening. There are three sensors on the throttle body. One on the driver side with three wires, one on the rear of the throttle body with three wires and one with four wires. I tried unhooking each one individually and the problem did not go away. When I unplugged the three wire sensor on the rear of the throttle body the car would not start at all.
Thank you the code reading trick is really helpful I will try it tonight.
Soon after I posted my reply earlier I figured out the problem. I do not like having a lot of keys, let alone large keys, on my key ring. One of the keys I received was really dirty an mangled. So, I cut off the rubber part and tossed it along with a little white plastic disc in the center of the key. I now had a thinner key that took up less space, great!
Well, the little plastic disc on the key was a security chip that the truck will not work without. Whoops!
Put the disc back in the center of the key, everything works great.
I had a very similar problem recently with it not wanting to stay running and my reasons were that there had been a family of mice living in the air cleaner, and I have it parked in a garage! Once the mice bodies were removed.. problem solved lol. I now frequently check the air cleaner. I am also going to put a screen over the inlet tube.