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-   -   420SEL rough idle (http://www.peachparts.com/shopforum/showthread.php?t=121015)

NordikWolf 04-18-2005 11:05 AM

420SEL rough idle
 
I replaced all the plugs, the cap and rotor and the wires. It idles ok, but kinda stumbles a bit here and there like it might be missing a cylinder or two. Could this be the IAC motor/valve? I cleaned out the one on my 2000 Durango and it made a world of difference (full of carbon). Any ideas?? :confused:


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