IawoBill

My '98 Cherokee will not start. My daughter drove it home Saturday night, but could not get it to start Monday morning. It cranks fine, but will not run. I seem to be getting fuel, but not spark. I changed out the crank sensor today, but that did not help. I pulled to coil and it shows ~6-7 ohms ( I am not sure what the spec value should be).
Any advice on what to check next is greatly appreciated.
Thanks.

tjwalker

Did you actually watch/verify spark? You must do that so you know where to look next.

Pull a spark plug, keep it attached to the plug wire, place the plug electrode near a good engine ground, have somebody crank the engine while you watch. You are looking for a strong, blue, snapping spark. Yellow/orange/white indicates a weak spark, which may not be strong enough to start the engine.

IF spark checks out (and only IF), then try spraying some starting fluid or a small splash of gas into the intake. If it starts and runs momentarily, you have verified a FUEL DELIVERY problem.

Try the above and let us know what you find...............

BTW, testing the coil is more involved than what you did. You need a meter and a manual detailing how to test for primary and secondary resistances.

IawoBill

I put the coil back in and tried the ASD relay swap with another and still nothing. The new sensor for the distributor came and I installed it. Turns out everything is fine now. It must have been that one all along.

Glad to have the Jeep running againm thanks for the help.