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HELP! XJ won't start, had to abandon!!


 
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Dakar
Member


Joined: 29 Jul 2005
Location: Harrisonburg, VA

PostPosted: Thu Oct 18, 2007 4:49 am    Post subject: HELP! XJ won't start, had to abandon!! Reply with quote

I was Jeeping last night and my jeep shut off. it was operating around normal temp, maybe a little higher. it cranks, but won't fire. I had a problem like this before. it was the crank sensor but it would always start after it had some time to cool. i've replaced it since. i've checked the plugs and the cap, connections seem to be fine. could the coil be bad? ANY ideas? PLEASE HELP!
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Black 1998 XJ 4.0 Manual.
3" Rusty's lift
30x9.50 BFG AT's
THULE M.O.A.B. roof basket
BAJA Lights (because doing it in the dark rocks!)

about to install exhaust, steering stabilizer, throttle body spacer.
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Toliver09
Member


Joined: 16 Oct 2007
Location: Central Illinois

PostPosted: Thu Oct 18, 2007 6:35 am    Post subject: Reply with quote

check and see how strong the spark is, take one of the plugs and hold it against the block and crank it for about 1 second and look for a blue spark (good) or a yellow spark (bad). if the spark is blue your coil is fine. If the spark is good check for compression and fuel. maybe the fuel pump is bad? (don't rely completely on my input) Smile good luck
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Orangeamc13
Got Rev Limiter?
Got Rev Limiter?


Joined: 20 Feb 2006
Location: East Springfield, Massachusetts - U.S.A.

PostPosted: Thu Oct 18, 2007 9:33 am    Post subject: Reply with quote

I would look at the cps again. The new one could be bad.
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Dakar
Member


Joined: 29 Jul 2005
Location: Harrisonburg, VA

PostPosted: Thu Oct 18, 2007 10:22 am    Post subject: Reply with quote

Thanks for the reply guys! i just got it back. first i tried to replace the CPS $100, bloody knuckles, and bad langauge didn't work. it had fuel, it had air, i suspected it was lacking in spark, so after driving to civilization and back again, i tried replacing the ignition coil, $38, didn't work. Now everyone, as embarrasing as this is, lets all remember to check our fuses first. it was a little 20 amp fuse (not sure which one yet), 10c..........yet so priceless. i pirated one from my stereo, and drove home.
_________________
Black 1998 XJ 4.0 Manual.
3" Rusty's lift
30x9.50 BFG AT's
THULE M.O.A.B. roof basket
BAJA Lights (because doing it in the dark rocks!)

about to install exhaust, steering stabilizer, throttle body spacer.
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Orangeamc13
Got Rev Limiter?
Got Rev Limiter?


Joined: 20 Feb 2006
Location: East Springfield, Massachusetts - U.S.A.

PostPosted: Thu Oct 18, 2007 10:27 am    Post subject: Reply with quote

rofl rofl rofl
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Duncan
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Joined: 09 Jul 2007

PostPosted: Thu Oct 18, 2007 10:37 am    Post subject: Reply with quote

LMAO... An exellent "practical" in always checking the easy stuff first rofl
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Toliver09
Member


Joined: 16 Oct 2007
Location: Central Illinois

PostPosted: Thu Oct 18, 2007 1:49 pm    Post subject: Reply with quote

lol! wow it would have taken me a while to think of checking the fuses first... and after my teacher in auto tech always says check the easiest first, very nice
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JeepinNH
Member


Joined: 13 Sep 2005
Location: New Hampshire

PostPosted: Tue Oct 23, 2007 7:00 am    Post subject: Reply with quote

On the bright side, now you have some extra parts. Smile
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Mike

Present: 99 Cherokee
Past: 86, 87 Cherokee; 94 Grand Cherokee
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