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Unread 10-20-2011, 08:51 AM   #1
snuffandstuff
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1996 XJ Cherokee 
 
Join Date: Jun 2010
Location: Naples Fl
Posts: 29
Starting problems

I am having trouble finding what the problem is with the start. the engine cranks but it doesnt turn over. ive replaced the starter put in a new battery and also replaced the CPS. Im running out of options and its starting to drain the money so if someone could help that would be great! its a 4.0 liter with 124k on it... Thanks!

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Unread 10-20-2011, 08:56 AM   #2
MarkwithaK
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1998 XJ Cherokee 
 
Join Date: Jul 2009
Location: Indiana
Posts: 74
Had this same issue when I bought my XJ, ended up being the coil.
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Unread 10-20-2011, 09:05 AM   #3
snuffandstuff
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1996 XJ Cherokee 
 
Join Date: Jun 2010
Location: Naples Fl
Posts: 29
ill check that as well thanks. any other suggestions?
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Unread 10-20-2011, 09:35 AM   #4
GtiKyle
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1998 XJ Cherokee 
 
Join Date: Oct 2011
Location: Tacoma, WA
Posts: 572
Check for spark : Pull a spark plug, and place on an engine ground...crank and watch for spark.
Are you getting fuel? - smell like fuel? you could also pull an injector to see if squirting.
Check all grounds - Clean and sand your grounds to make sure your ECU is getting good voltage.
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Unread 10-20-2011, 09:40 AM   #5
snuffandstuff
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1996 XJ Cherokee 
 
Join Date: Jun 2010
Location: Naples Fl
Posts: 29
yeah i can definitely smell fuel. i dont know if it makes any difference but i left it overnight and it started the next day. i turned it off and went to start it again and it just cranks but doesnt catch. im gonna go to advance auto and get a new coil and see if thats it.
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Unread 10-20-2011, 02:18 PM   #6
Paradise XJ
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1990 XJ Cherokee 
 
Join Date: Jan 2007
Location: Paradise, CA, Northern California
Posts: 2,222
Just see if there is fuel pressure to the fuel rail. Use a fuel pressure gauge for accurate info.

I don't know about pulling an injector to see if it's squirting. In my experience, the coil is not usually the problem...more like the CPS...which is why you need to check for spark first.

Then...spark + fuel + air = vrooom! Simple.
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