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If I was trying to diagnose it, I would get into the UpRev and start by watching MAF voltages and o2 corrections, and seeing what the ignition timing is doing.
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06-17-2015, 08:52 PM
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#17 (permalink) |
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A True Z Fanatic
Join Date: Mar 2009
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If I was trying to diagnose it, I would get into the UpRev and start by watching MAF voltages and o2 corrections, and seeing what the ignition timing is doing. Goofy ignition timing tuning can cause idle speed to bounce because, all things equal, if you add timing, engine speed goes up... if timing isnt pretty steady at idle, idle wont be steady.
Sorry if some of this was gone over, I didnt read the entire thread.
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Last edited by phunk; 06-17-2015 at 08:55 PM. |
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