Turn but no spark will not start after other mechanical work - JeepForum.com
 
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post #1 of 4 Old 02-03-2020, 05:17 PM Thread Starter
ColoradoYJ4Rox
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Turn but no spark will not start after other mechanical work

Post here because my YJ has a TJ engine..
Hi, I recently took my Jeep to a shop to have my heater core replaced. Mind you I drove it to the shop just fine. This Jeep has started strong. Anyway after they replaced the core the “mechanic” tried to start it with no spark. Says I brought it in with an electrical problem and they would not fix it. I towed it home. I have a 95 but it has a 4.0 2006 Engine in it. I tried to trace a few possible wires that they may have knocked loose but honestly there seems to be extra wires that go to nothing so I am not sure what is what and were to start. I do not see any blown fuses. Any help would be amazing. Pictures for guidance or anyone n my area maybe..,. Thx - Carolyn Littleton CO

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post #2 of 4 Old 02-03-2020, 05:52 PM
mukluk
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The year of manufacture of the engine itself isn't important, what is important is what engine control system are you currently running: the original one from 1995 or the later one from 2006? An easy way to tell is see if the engine has a distributor with individual sparkplug leads or if it has a coil rail. If you're still running the original '95 setup then you're best off asking in the YJ subforum.

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2005 LJ Rubicon
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post #3 of 4 Old 02-03-2020, 06:01 PM Thread Starter
ColoradoYJ4Rox
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I actually have it posted in both just incase
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post #4 of 4 Old 02-03-2020, 08:16 PM
2jhanna
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As stated in the opening post, the OP drove to the shop, my guess is that the correct TJ pcm is in use. I would also bet that the service shop cranked and drove the vehicle into the service bay to change the heater core.

OP, how long ago was the engine swap (and I assume pcm) done ?

Edit, after reading some of the OPs earlier posts, regarding engine problem, I have to ask, this 2006 TJ engine was not a complete engine was it ?

I am multi-talented, I can talk and piss you off at the same time.

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denton county, tx
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