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Type: Posts; User: DaddyJeep

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    Well Stew, I have done nothing that you...

    Well Stew, I have done nothing that you suggested... yet, but I did spend some time driving the Jeep this weekend. The more I drove it the better it ran. The computer must have been associating...
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    Thanks for the reply Stew, You lost me a bit in...

    Thanks for the reply Stew, You lost me a bit in the first sentence. Volts low... I replaced the alternator last night because it was not charging well. Code 43.... Wiring issue?

    Single wire O2 is...
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    Any thoughts on this one? I was able to replay it...

    Any thoughts on this one? I was able to replay it so there must be some data this time. :)

    14249
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    I think I have some data now, I just have to find...

    I think I have some data now, I just have to find a few minutes at home to post it up. In the mean time I will share this...So I spent some more time with TunerPro RT. I really could not locate any...
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    Ok.... I ran the Jeep for a bit while recording...

    Ok.... I ran the Jeep for a bit while recording some data. Here is what I learned.

    I don't know what I'm doing.

    That said, how bout I attach some files and you guys that know more than me...
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    I will keep that in mind c5wagner. I am really...

    I will keep that in mind c5wagner. I am really leaning towards CTS though, but we will see. I need to get a cable though now. It looks like the guy here that sells them hasn't posted since 2017. I...
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    I did some diagnostics today and am really...

    I did some diagnostics today and am really getting no where as usual. I guess I am not really getting no where. I am at least verifying that things are not my problem. My PCM appears fine and keeps...
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    I would have to say it is. It used to work. I...

    I would have to say it is. It used to work. I have had it running for a couple years since I originally swapped in this engine.
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    Yeah.... I have tried the original computer that...

    Yeah.... I have tried the original computer that I was running that was from a 5.0 truck and the one that I have from a 5.7 truck. Both computers would make it run last week.
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    So, I picked up a new pick up coil and got that...

    So, I picked up a new pick up coil and got that installed inside the distributor even though the original tested fine. No change. The only thing that I haven't replaced with new is the Ignition Coil....
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    I read that the 7427 doesn't flash codes like...

    I read that the 7427 doesn't flash codes like older computers so I have not bothered yet. My cable is ordered so I will be getting to that soon. I do try to avoid throwing parts at it without...
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    No one local can test the ICM, but Advance had...

    No one local can test the ICM, but Advance had one in stock so I swapped my lifetime warranty one for another.
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    .... Still broken. I tried a couple spare...

    .... Still broken.


    I tried a couple spare ICMs that I had last night. No change. I really have no idea if the spare ICMs were any good or not, but it was worth a shot. I am going to see if I can...
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    That is the first place I will be looking Dave....

    That is the first place I will be looking Dave. It is a new module, was last year anyway, but it seems like a likely culprit. I will be sure to get some better heat sink grease either way.
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    The wiring is intact. I just need to plug it in....

    The wiring is intact. I just need to plug it in. The biggest part would be welding a bung in the exhaust, which really isn't a big deal either. The question though was is it that necessary to have?
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    I put in a new TPS and a new MAP last night. It...

    I put in a new TPS and a new MAP last night. It fired up and idled fine as it usually does. I backed it out of the shop to warm up and it shuts off and won't start. I have fuel, but no spark....
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    Yeah.... I suppose it is time to start learning...

    Yeah.... I suppose it is time to start learning something new. I appreciate your help thus far. Hopefully tonight the new TPS gets me running well enough to get on the trails this weekend. I have to...
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    I did. It was just the one little mud puddle. The...

    I did. It was just the one little mud puddle. The Jeep was already stumbling before then so that was the only obstacle encountered before heading back home.
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    TBI 5.7 swap in my YJ

    Hello everyone. I have been reading here a fair amount and decided it was finally time to join. I will be getting a cable and Tunerpro Rt soon so I can dive into this stuff that I know nothing about....
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