Hello everyone, my first post here so thanks in advance.

So I shut my jeep off, everything normal, came out the next day and no spark. I figured it would be the coil and it looked like it could use a tuneup so new plugs, wires, cap, rotor, and coil. Still no spark, so checked everyone's great minds on this forum and figured it would be the cam angle sensor(magnetic pickup) or the crank position sensor, so I replaced them both. I started with crank position sensor still no spark. Next was the cam angle sensor and she fired away, ran a little rough but figured no big deal maybe a little extra fuel. I did not go for a test drive just figured problem solved. I was wrong, came out this morning and again no spark. I checked the plug and it looked fine could it have been something else or do I just have a bad part? Any help will be appreciated.

thanks, jason

 

thanks for looking I found it.

 

I was gonna say voltage regulator. what was it?

 

I bumped the cps plug with my elbow while the motor was cranking and it started. I unplugged it and plugged it back in and it has been fine ever since. I got lucky. I had checked that plug a few times before and given up on it being the problem.

 

my 94 xj is doing the same thing. it just shut off and now wont fire but it will crank....need help please

 

Crank shaft position sensor!!! If its the 4.0 then it should be on the top of the bell housing drivers side!

 

I gave my c.a.s. a light tap wih a large screwdriver and she started again YES!!!! but i'm going to hunt down a spare one and keep it onboard.