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10-28-2007, 07:22 PM
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#1 | |
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Registered User
1999 TJ Wrangler
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Engine cuts out
I have 57,000 miles on my 99 TJ 4.0 L. When wheeling in Moab and for the first time had a problem with my TJ. After the engine has been running for a while, very warmed up, but not overheating, running normally the engine just cuts off. It won't start until I sit and let everything cool down. I'm not getting spark. I going to re-check tomorrow, I'll check the fuel pressure and see if I can get spark, but I'll have to run it a while. anyone have any Ideas, some mentioned the ignition module, but a 99 has no such part. Any help will be appreciated.
Thanks Peter
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99 Sahara 4.0 6 Cyl Auto White 4.5RE ATLAS II & TW shaft, BFG 33's, Jeeperman Rear bumper tire carrier, Rokmen Rockers, Warn M8000 Powertrax no-slip in front & Rear |
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10-28-2007, 07:53 PM
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#2 | |
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Now in the 937
 
2003 TJ Wrangler
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Sounds like the ignition coil to me. Same thing happens on Dakota/Durango/Ram 3.9/5.2/5.9 engines.
You're thinking of coil-packs which a 99 doesn't have. You DO have an ignition coil though. Look at your distributor, find the wire in dead center. Follow it to the other end. Bam- that's your ignition coil. 
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The lumbering steel-laden pig - 2003 TJ - 40" LTBs - D60/D70HD - 5.86s - Detroit lockers - 110" wheelbase Build thread here. Quote:
Pictures of it wheeling at Bill's 491 And more pics from that trip here! |
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10-28-2007, 08:23 PM
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#3 |
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Registered User
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crank position sensor?
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'97 TJ Sport, 4.0L, AX-15, D30/35, Dayton Timberline AT 31x10.5x15s, Warrior rack, Silverstars, KC HiLites Replacement Fogs, Optima Yellow Top, EBC Greenstuff pads and Centric rotors, 164K '97 Rodeo, '96 Jetta, '02 Cabrio, '03 E46 |
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10-28-2007, 09:42 PM
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#4 |
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Registered User
2001 TJ Wrangler
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Check your coil wire, mine was burned nearly into, and started hesitating after it warmed up. I found it after replacing my fuel pump. Fouled the plugs and while changing them found the broken coil wire. It looked like it had been shorting out for quite some time.
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Low Output 4 Cylinder Jeep Club #2001 Mine: 2001 TJ 2.5L, 5spd, Silver Stone Hers: 2004 WJ 4.0L, Bright Silver |
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10-29-2007, 06:25 PM
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#5 |
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Registered User
1999 TJ Wrangler
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I have a coil and crank Postion sensor coming, I'm also getting the ASD relay and just keep it in the jeep. The mechanics at the dealership are thinking CPS on the 99's it seems to be a problem.
Thanks for the input, the wheelen in Moab was great last week. Gdetting towed back home wasn't that much fun though. Peter
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99 Sahara 4.0 6 Cyl Auto White 4.5RE ATLAS II & TW shaft, BFG 33's, Jeeperman Rear bumper tire carrier, Rokmen Rockers, Warn M8000 Powertrax no-slip in front & Rear |
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