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Old 05-28-2012, 07:00 AM   #1
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Default 3800 Plug Wire Routing

Hi all. Recently did my LIM and UIM thanks to a lot of the advice here and it seems I pulled it off! However, lately I've been getting a P0306. I read about keeping the #6 plug wire away from the O2 sensor, and the morning that I moved the wire away from the sensor, the CEL turned off on its own and is now just pending (to hopefully fully go away as I drive more). However, my question is, does anyone have good picutres of how the plug wires should be routed on my 3800 series 2 (1998 Buck LeSabre Custom). Right now they're just incorrectly kind of laying in there. Also, there are two plastic plug wire clips that were on the engine as well and I have no idea where they go (PO took the plug wires off; never took pictures). Any help would be appreciated. Thanks again all!
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Old 05-28-2012, 09:42 AM   #2
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You can run them any way you want, just keep them away from hot things and other wires.
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Old 05-28-2012, 07:47 PM   #3
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Especially that O2 sensor wire. The PCM needs to see millivolts coming from it. With a bad spark plug wire sitting on it, the voltages can spike.
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Old 05-29-2012, 09:36 PM   #4
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Thanks guys. Yeah I think my misfire problem was a combination of the cheapo plug wires the PO put in there and the #6 wire rubbing on top of the O2 sensor. No more codes so far; keeping my fingers crossed.
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