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2001 QX4 Codes P430,303,1320
I have had a steady light on for awhile, then when cold, I would have a serious engine shutter, feels like a mis-fire and then flashing code light. I got a scan and came up with P430, P303, P1320. Sounds like a mis-fire on cylinder #3, along with an "Ignition signal primary" 85K miles, I plan to change spark plugs, injector cleaner too?? What do you guys think? Any help would be appreciated!
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