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  #1  
Old December 22nd, 2005, 15:50
JeepXJ93 JeepXJ93 is offline
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Disabling the 4.0?

Me and some buddy's decided to mess around w/ one of my buddies so we decided to prank her in regards to the newer jeep she just bought, its a 98 classic. We were thinking steeling the wheels and putting it on blocks, but its too cold and that would take too long, and we dont want to give her a heart attack. Then someone suggested drain the fuel out and and show up w/ her gas laughing and recording her face...but we cant seem to snake the hose down far enough...anyone have any ideas? We were thinking disconnect the battery cable but she's too smart and she'd see that...any ways to disable to engine w/out hurting it? TIA
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  #2  
Old December 22nd, 2005, 15:54
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87manche 87manche is offline
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Re: Disabling the 4.0?

pull the fuel pump relay. It will crank but won't start. Good ghetto security system if you're leaving it parked for a long time somewhere like the airport.
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  #3  
Old December 22nd, 2005, 16:24
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Only In A Jeep XJ Only In A Jeep XJ is offline
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Re: Disabling the 4.0?

Newer fuel tanks have a screen in them that prevents removing fuel from the filler neck. also the plug for the pump is just at the front of the tank easy to pull if doors are locked.
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Old December 22nd, 2005, 16:29
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5-90 5-90 is offline
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Re: Disabling the 4.0?

Pull the fuel pump relay, the start relay, or the distributor rotor - the latter is the least visible, but requires underhood access.

Something you can do from underneath? Pull the SMALL lead off of the starter (the solenoid trigger) and insulate it so it can't ground out on anything. Turning the key should work normally with the exception of the starter turning. You do want to make sure you get the loose end thoroly insulated - having it "spark out" on a chassis ground is nothing nice.

Another idea - find a section of rubber fuel line, and install a clamp. Easy to do, easy to remove, and won't harm anything.

Or, pull the power to the fuel pump - should be back somewhere near the fuel tank.

5-90
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  #5  
Old December 22nd, 2005, 16:33
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Ivan Ivan is offline
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Re: Disabling the 4.0?

By merely pulling the ASD relay, you disable everything in the PCM. I use that trick as my poorman's anti-theft device whenever I park in questionable areas.....
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  #6  
Old December 22nd, 2005, 17:47
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langer1 langer1 is offline
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Re: Disabling the 4.0?

Pound a potato up her tail pipe.
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  #7  
Old December 22nd, 2005, 17:53
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Re: Disabling the 4.0?

Quote:
Originally Posted by langer1
Pound a potato up her tail pipe.
Quote:
Originally Posted by 5-90
Easy to do, easy to remove, and won't harm anything.
Not so keen on the potato trick. PITA to remove if done right (or wrong, depending on your point of view), and can cause damage while being applied. I plead the 5th on how I know this, and agree with 5-90 on just going for minor nuisance-type stuff.
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Old December 22nd, 2005, 17:54
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Pogiboy Pogiboy is offline
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Re: Disabling the 4.0?

How about remove her hood? She would be able to drive it, but her face would be really red!
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  #9  
Old December 22nd, 2005, 18:00
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ROBZ95Xj ROBZ95Xj is offline
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Re: Disabling the 4.0?

i would also agree with unplugging the fuel pump, its quick and easy espesially if its locked.
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  #10  
Old December 22nd, 2005, 18:02
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Cottontail Cottontail is offline
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Re: Disabling the 4.0?

Or, instead you could buy her a membership to , and then help her pick out a nice lift and some tires and help her install it so she can run over Hondas!
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  #11  
Old December 22nd, 2005, 19:25
Dragline Dragline is offline
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Re: Disabling the 4.0?

Quote:
Originally Posted by langer1
Pound a potato up her tail pipe.
We're still talking about the Jeep right??
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  #12  
Old December 22nd, 2005, 19:33
Zoro Zoro is offline
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Re: Disabling the 4.0?

If you have underhood access try switching a couple of the plug wires arround at the distributor cap, it will run but run like crap and it's easily fixable.
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  #13  
Old December 22nd, 2005, 19:55
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natep1 natep1 is offline
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Re: Disabling the 4.0?

Zipties on the driveshaft are far better than any no start prank in my book.
Annoying as heck & you won't want to crawl underneath until you get back home to remove them.
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  #14  
Old December 22nd, 2005, 20:12
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shortxjdoug shortxjdoug is offline
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Re: Disabling the 4.0?

i'd just go for the wheels, revenge is a dish best served cold, but thats just me... but if you want to go the quiet route disconnect the starter, because the look on her face when everything else works except the starter would be priceless
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  #15  
Old December 22nd, 2005, 20:19
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MyJeepXJ MyJeepXJ is offline
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Re: Disabling the 4.0?

Quote:
Originally Posted by Dragline
Quote:
Originally Posted by langer1
Pound a potato up her tail pipe.
We're still talking about the Jeep right??
Is that what they call 'em now days? I still call mine Johnson. :-)
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