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Ask ALDeer mechanic! 4.0 Jeep not firing still, whats the prob?
#1818761
08/18/16 03:52 PM
08/18/16 03:52 PM
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Joined: Jun 2008
Posts: 2,457
North Alabama
robinhedd
OP
10 point
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OP
10 point
Joined: Jun 2008
Posts: 2,457
North Alabama
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93 4.0 Jeep Cherokee Country, not firing! I changed the Crankshaft Position Sensor today thinking that was the prob, not! Still not firing, what's my prob? Thx, Robinhedd
"Guess I just got too much Mathews in me!"
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Re: Ask ALDeer mechanic! 4.0 Jeep not firing still, whats the prob?
[Re: robinhedd]
#1818765
08/18/16 03:56 PM
08/18/16 03:56 PM
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Joined: Oct 2012
Posts: 11,361
Central, Al
Bustinbeards
Booner
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Booner
Joined: Oct 2012
Posts: 11,361
Central, Al
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What is it doing when you turn the key? Click click? Cranking but no starting? Or nothing?
I Well, the way I see it is there's just too many assholes
On a good day there's a bunch of assholes in here.
On a bad day there's too many assholes in here.
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Re: Ask ALDeer mechanic! 4.0 Jeep not firing still, whats the prob?
[Re: robinhedd]
#1818770
08/18/16 04:00 PM
08/18/16 04:00 PM
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Joined: Sep 2007
Posts: 7,857
Hartselle, AL
trlrdrdave
14 point
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14 point
Joined: Sep 2007
Posts: 7,857
Hartselle, AL
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Does it have the alarm system in it?
"In time of war, send me all the Alabamians you can get, but in time of peace, for Lord's sake, send them to somebody else." General Edward H. Plummer
"Blessed are those who, in the face of death, think only about the front sight." Jeff Cooper
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Re: Ask ALDeer mechanic! 4.0 Jeep not firing still, whats the prob?
[Re: robinhedd]
#1818792
08/18/16 04:19 PM
08/18/16 04:19 PM
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Joined: Jan 2003
Posts: 13,552
behind my Dillon
dave260rem!
Pope of Aldeer and Expert
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Pope of Aldeer and Expert
Joined: Jan 2003
Posts: 13,552
behind my Dillon
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It's got Jeep on it.I'm no mechanic Ground?
Skinny is my EX.Alcohol was involved.
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Re: Ask ALDeer mechanic! 4.0 Jeep not firing still, whats the prob?
[Re: robinhedd]
#1818899
08/18/16 05:51 PM
08/18/16 05:51 PM
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Joined: Oct 2002
Posts: 18,103
Andalusia, Al. Covington Co.
DEADorALIVE
Old Mossy Horns
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Old Mossy Horns
Joined: Oct 2002
Posts: 18,103
Andalusia, Al. Covington Co.
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...change the blinker fluid.
Well behaved women never make history.~ Out back
Quit laughing...I think I broke something.
Fifteen is my limit on Schnitzen-Gruben, Baby...
I have OCD and ADD, so everything has to be perfect, but only for a minute.
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Re: Ask ALDeer mechanic! 4.0 Jeep not firing still, whats the prob?
[Re: robinhedd]
#1818956
08/19/16 12:58 AM
08/19/16 12:58 AM
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Joined: Oct 2012
Posts: 11,361
Central, Al
Bustinbeards
Booner
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Booner
Joined: Oct 2012
Posts: 11,361
Central, Al
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It could be the ignition pin actuator inside the key cylinder. They can break, does the key Feel sloppy when you turn it?
I Well, the way I see it is there's just too many assholes
On a good day there's a bunch of assholes in here.
On a bad day there's too many assholes in here.
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Re: Ask ALDeer mechanic! 4.0 Jeep not firing still, whats the prob?
[Re: robinhedd]
#1818997
08/19/16 02:37 AM
08/19/16 02:37 AM
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Joined: Mar 2013
Posts: 6,249
alex city
oakachoy
12 point
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12 point
Joined: Mar 2013
Posts: 6,249
alex city
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Not a jeep, but I just went thru an ignition problem on a Nissan.
First thing, you should get a spark tester. Test from distributor if no, go to coil. If no fire from coil test signals from ECM. I assume you checked codes is reason for changing Crank PS.
WM Hunter "Trump literally sacrificed himself, his family and all of his businesses for this country.
He literally is a true American hero. And True American Patriot - warts and all."
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Re: Ask ALDeer mechanic! 4.0 Jeep not firing still, whats the prob?
[Re: robinhedd]
#1819020
08/19/16 03:15 AM
08/19/16 03:15 AM
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Joined: Sep 2009
Posts: 2,899
Florida
jacannon
10 point
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10 point
Joined: Sep 2009
Posts: 2,899
Florida
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Do you have injector pulse and does the check eng. light come with the key on. If not most likely the pcm .
Grandma said...Always keep a gun close at hand, you just never know when you might run across some varmint that needs killing...
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Re: Ask ALDeer mechanic! 4.0 Jeep not firing still, whats the prob?
[Re: robinhedd]
#1819029
08/19/16 03:32 AM
08/19/16 03:32 AM
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Joined: Jun 2008
Posts: 2,457
North Alabama
robinhedd
OP
10 point
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OP
10 point
Joined: Jun 2008
Posts: 2,457
North Alabama
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Check engine light does come on when u turn the switch, noticed it on last night. I was told by everyone to change the Crankshaft position sensor for a Jeep not firing, wasn't the prob. I pulled the center wire on the distributor last night (coming from the coil?) & had my daughter turn the engine over while checking for spark with a screw driver held close to the wire, no spark? Change the coil now? Thx, Robinhedd
"Guess I just got too much Mathews in me!"
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Re: Ask ALDeer mechanic! 4.0 Jeep not firing still, whats the prob?
[Re: robinhedd]
#1819110
08/19/16 05:26 AM
08/19/16 05:26 AM
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Joined: Mar 2013
Posts: 6,249
alex city
oakachoy
12 point
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12 point
Joined: Mar 2013
Posts: 6,249
alex city
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Since you ruled out crank positon sensor. Here is forum help on your issue that you may find useful. http://www.cherokeeforum.com/f2/1998-jeep-cherokee-has-ignition-system-problem-14613/Under #5 spark plug is a bunch of grounds to check, will cause this issue. Make sure ignition fuse is good. If fuel pump is not coming on it will cause a no spark issue.
Last edited by oakachoy; 08/19/16 05:34 AM.
WM Hunter "Trump literally sacrificed himself, his family and all of his businesses for this country.
He literally is a true American hero. And True American Patriot - warts and all."
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Re: Ask ALDeer mechanic! 4.0 Jeep not firing still, whats the prob?
[Re: robinhedd]
#1819141
08/19/16 05:52 AM
08/19/16 05:52 AM
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Joined: Sep 2009
Posts: 6,814
somewhere around 112.
slippinlipjr
I make Calds fer a livin
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I make Calds fer a livin
Joined: Sep 2009
Posts: 6,814
somewhere around 112.
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We've been having the same problem with a cursed pt cruiser for a year now. Been working on it off and on. We were out of options until we ordered a new computer for it. Runs fine now. We changed every sensor on it too.
Ctrl+C, Ctrl+V, Ctrl+Z
thesharkguard.com
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