Originally Posted by incairns1
it starts perfectly for 2 seconds then shut down.??
Bruce! (I mean Mark) You need to hit the "new thread" button! (you will find that after clicking "oem cherokee tech", above). Incairns1, not to differ with Bustedback, (I have plenty to learn yet) ....There's a deal, your PCM will ground the ASD relay for a couple secs when you turn on the key, also cranking I think. THEN, when it gets the right signals you are running it will continue grounding that crucial relay to keep power going to things like the ignition and injectors.
Now it's foggy....if a wire to the 02 sensor grounds it blows which fuse which results in what...?? Sorry. (mine doesn't so that). Check the fuses, even the "mini" ones in the PDC
under the hood. (and the wires to the 02 sensors) Just my .02.