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<blockquote data-quote="Jeff.patriceh" data-source="post: 1460282" data-attributes="member: 99350"><p>Update on this thread on rough running. Spent a few weeks sporadically working on the 09 Gen II due to vacations and other interruptions. Had the fuel tank on and off many times. </p><p></p><p>Magnifying glasses look at all the vacuum hoses and replaced one cap that was cracking. Replaced vacuum sensor as I had sprayed carb cleaner into the nozzle. Did not find any residue black goo like others had in the vacuum hoses. Non California model. After close look one of the caps I replaced it looked like surface cracks.</p><p></p><p>Ultimate fix I suspect was credit to Ross, Tps screws, soft close all, then 3/4 turn CCW TO balance all 4 TPS SCREWS, and added another 1/4 turn. I was assuming additional open of the screw causes richer fuel mixture. Correct me on this. </p><p></p><p>Idles and runs fantastic, no stumbling as it was doing. </p><p></p><p>Next week getting the electrical wiring harness recalls done that were not completed yet. </p><p></p><p>Thanks for all the help from the threads.</p></blockquote><p></p>
[QUOTE="Jeff.patriceh, post: 1460282, member: 99350"] Update on this thread on rough running. Spent a few weeks sporadically working on the 09 Gen II due to vacations and other interruptions. Had the fuel tank on and off many times. Magnifying glasses look at all the vacuum hoses and replaced one cap that was cracking. Replaced vacuum sensor as I had sprayed carb cleaner into the nozzle. Did not find any residue black goo like others had in the vacuum hoses. Non California model. After close look one of the caps I replaced it looked like surface cracks. Ultimate fix I suspect was credit to Ross, Tps screws, soft close all, then 3/4 turn CCW TO balance all 4 TPS SCREWS, and added another 1/4 turn. I was assuming additional open of the screw causes richer fuel mixture. Correct me on this. Idles and runs fantastic, no stumbling as it was doing. Next week getting the electrical wiring harness recalls done that were not completed yet. Thanks for all the help from the threads. [/QUOTE]
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