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Jeep Wrangler JK
JK General Discussion
3.6 Pentastar Misfire on Cylinders 1, 3, & 5
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<blockquote data-quote="Artisanau" data-source="post: 430078" data-attributes="member: 19863"><p>Yes mines just throwing the code for #6.</p><p>Well, I've been through my harness but I'm getting some new fluke leads and back probes and going again. </p><p>I intend to swop out the injectors bank for bank although I don't think it's that but while the intake manifolds off its madness not too. I've looked everywhere I can think of, air leaks as suggested on forum which was good? </p><p></p><p>It's a frustrating issue. I mean the engine runs like a dream, no significant problems other than the EML on for #6?</p><p>I was up late last night researching, I'm considering a scanner with Live Data mode. I'm keen to see what happens with the spark signal and fuel voltage on #6 when the light comes on if I don't have any progress this weekend. I intend to speak to a tech expert on these scanners to make sure I get one that'll do the job not just a code reader. I'm intent on spending the $'s collecting tools rather than giving it to the dealer in labour, which too date hasn't worked for me. </p><p>Matt, thanks for taking the trouble of re-engaging, it's appreciated. Your post was the closest one I've found anywhere to my own, so yeah, I was keen to know how and what you might have found. So zero as yet like myself<img class="smilie smilie--emoji" loading="lazy" alt="😂" title="Face with tears of joy :joy:" src="https://cdn.jsdelivr.net/joypixels/assets/8.0/png/unicode/64/1f602.png" data-shortname=":joy:" /> </p><p>Finally, I see on yours I see the issue P0128 thermostat? The weird thing I've nailed down with mine or at least it seems that temp is a related issue. If I was to note one thing it seems like the EML light would come on when mostly at idle in traffic. That said the engine tempt is perfect, so no overheating, fan cuts in as it should? My instincts are saying PCM for the same reason? I can do a good highway trip so opening all avenues for tempt, fuel pressures, sparks, yet she pulls like a train like I just got it from new. I think it was you on your original post that said you want to keep yours even if you have to transplant a V8. I'm the same, I don't want to sell mine regardless. Any other car it would be gone and I used to change my units like every 3yrs due to warranty and business tax but since retirement and buying this as a gift to myself, I just can't part with it. I think I might have something wrong with me, like a 'Jeep Thing' <img class="smilie smilie--emoji" loading="lazy" alt="😂" title="Face with tears of joy :joy:" src="https://cdn.jsdelivr.net/joypixels/assets/8.0/png/unicode/64/1f602.png" data-shortname=":joy:" /> Hey, kept you too long here, apologies. I'll post progress when and if I get there. If not it'll be a transplant, you do the same, now that'll be something I could take notice of. <img class="smilie smilie--emoji" loading="lazy" alt="👍" title="Thumbs up :thumbsup:" src="https://cdn.jsdelivr.net/joypixels/assets/8.0/png/unicode/64/1f44d.png" data-shortname=":thumbsup:" /></p></blockquote><p></p>
[QUOTE="Artisanau, post: 430078, member: 19863"] Yes mines just throwing the code for #6. Well, I've been through my harness but I'm getting some new fluke leads and back probes and going again. I intend to swop out the injectors bank for bank although I don't think it's that but while the intake manifolds off its madness not too. I've looked everywhere I can think of, air leaks as suggested on forum which was good? It's a frustrating issue. I mean the engine runs like a dream, no significant problems other than the EML on for #6? I was up late last night researching, I'm considering a scanner with Live Data mode. I'm keen to see what happens with the spark signal and fuel voltage on #6 when the light comes on if I don't have any progress this weekend. I intend to speak to a tech expert on these scanners to make sure I get one that'll do the job not just a code reader. I'm intent on spending the $'s collecting tools rather than giving it to the dealer in labour, which too date hasn't worked for me. Matt, thanks for taking the trouble of re-engaging, it's appreciated. Your post was the closest one I've found anywhere to my own, so yeah, I was keen to know how and what you might have found. So zero as yet like myself😂 Finally, I see on yours I see the issue P0128 thermostat? The weird thing I've nailed down with mine or at least it seems that temp is a related issue. If I was to note one thing it seems like the EML light would come on when mostly at idle in traffic. That said the engine tempt is perfect, so no overheating, fan cuts in as it should? My instincts are saying PCM for the same reason? I can do a good highway trip so opening all avenues for tempt, fuel pressures, sparks, yet she pulls like a train like I just got it from new. I think it was you on your original post that said you want to keep yours even if you have to transplant a V8. I'm the same, I don't want to sell mine regardless. Any other car it would be gone and I used to change my units like every 3yrs due to warranty and business tax but since retirement and buying this as a gift to myself, I just can't part with it. I think I might have something wrong with me, like a 'Jeep Thing' 😂 Hey, kept you too long here, apologies. I'll post progress when and if I get there. If not it'll be a transplant, you do the same, now that'll be something I could take notice of. 👍 [/QUOTE]
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Jeep Wrangler JK
JK General Discussion
3.6 Pentastar Misfire on Cylinders 1, 3, & 5
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