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Jeep Wrangler JK
JK General Discussion
Crank and sputter no start 3.8l
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<blockquote data-quote="Tbean505" data-source="post: 451354" data-attributes="member: 24072"><p>I'm working on a 07 wrangler with the 3.8l with a crank no start issue. </p><p>Backstory... This is my buddy's jeep... It was running horrible but driving with limited throttle I would assume limp mode. He had a "mechanic" come try and fix it which he replaced the throttle body, plugs and wires but it drove the same. He continued to try and fix it but now it wont start at all.</p><p>This is where i'm at with it. Sprayed starting fluid in it still no start. I think i'm hearing the fuel pump turn on but if it wasn't its not firing on starting fluid so that's not the issue. When I turn the key to the run position the ETC and Engine light come on then ETC turns off and engine light starts flashing for like 30sec then stays solid. I am getting 3 codes P0688 ASD/Main Sense Circuit, P0222 and P0123... I check the live data on throttle position which it is reading when I press the gas peddle and open the throttle body. so I would assume that's not the issue. I have not tested ASD because I cant find a diagram to go off of. i will keep at it tomorrow but thought i would post here so someone with more knowledge about these vehicles could help out. Thanks.</p></blockquote><p></p>
[QUOTE="Tbean505, post: 451354, member: 24072"] I'm working on a 07 wrangler with the 3.8l with a crank no start issue. Backstory... This is my buddy's jeep... It was running horrible but driving with limited throttle I would assume limp mode. He had a "mechanic" come try and fix it which he replaced the throttle body, plugs and wires but it drove the same. He continued to try and fix it but now it wont start at all. This is where i'm at with it. Sprayed starting fluid in it still no start. I think i'm hearing the fuel pump turn on but if it wasn't its not firing on starting fluid so that's not the issue. When I turn the key to the run position the ETC and Engine light come on then ETC turns off and engine light starts flashing for like 30sec then stays solid. I am getting 3 codes P0688 ASD/Main Sense Circuit, P0222 and P0123... I check the live data on throttle position which it is reading when I press the gas peddle and open the throttle body. so I would assume that's not the issue. I have not tested ASD because I cant find a diagram to go off of. i will keep at it tomorrow but thought i would post here so someone with more knowledge about these vehicles could help out. Thanks. [/QUOTE]
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Jeep Wrangler JK
JK General Discussion
Crank and sputter no start 3.8l
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