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96 XJ no fire at coil

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Old 09-15-2018, 10:11 PM
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Year: 1996 XJ
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Default 96 XJ no fire at coil

96 XJ 4.0 Classic,
Just as I thought this dawg was about dependable, I try to start it an it turns over but won't start.
I checked for fuel at the rail, nothing. I cleaned all battery cables again, no change.

My Jeep buddy comes over and checks all relays, fuses, etc.
Then we check fuel again and now have fuel! Check for spark but have none, then we find we have no fire at the coil.

Haven't scanned it yet, waiting on my buddy to get to get caught up, hope that will help when we do.
I'm still going to add new grounds. I've read about so many having trouble with them on here.

One other thing I learned is it came as a throttle body. The engine has been changed and is a later model fuel injected one. I have run it quiet a bit and it runs good,when it runs, but it's just one thing after another...

Last edited by Thawolff; 09-15-2018 at 11:14 PM.
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Old 09-16-2018, 12:25 AM
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crank no start is probably your CPS, the fuel issue no idea if their even is an issue.....
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Old 09-17-2018, 06:32 AM
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Year: 1996 XJ
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Default 96 XJ no fire at coil

Originally Posted by peligro113 View Post
crank no start is probably your CPS, the fuel issue no idea if their even is an issue.....
I've been thinking about that. Once before it wouldn't start had one put on & ran great for a while, but it was used.
I think he had to change the plug so it's a good chance...

I went out tonight an tried to jump it off, grounded it to the block an then to the frame, but no luck. I checked for fuel at the rail but now there isn't any..
I'm gonna get him to scan it an hope that will shed some light on it
Had it scanned at Autozone a while back an showed a bad oxygen sensor, still have put it on..

The speedometer, tach and fuel gauge still don't work, hope the new ground wire I'm gonna add under there will help.
I had a new fuel assembly installed but didn't help the gauge, it pegs out an the low fuel light comes on when running...
I'm afraid I'm dealing with Gremlins !!

My Dad was in the car business for 26yrs & would not touch a car if there was any sign of electrical problems now I know why...
Thanks Peligro I'll post an update as soon as I have one.
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