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Update. Codes seem to have gone away. Sprayed coil and injector connections with quick dry cleaner. Put chevron injector cleaner in tank. Next couple,days have been code free. Thamk you everyone. Good chance there was a dirty connector

haven't tried that yet

oil was just changed recently use 5w 20 will have go do compression

Thank you for all the replies. I have switched coils to make sure it isn't that even though the plugs aren't old. I switched them also just in case there was a bad plug and the code still is the same. The coils are motor craft. As far as monitoring the code have done that also. As mentioned it...

Can someone please give me some advise. Me and my mechanic are lost on this 1 If my 06 Explorer 4.6 L sits more then 8 hrs when I start it. I get codes P0304 + P0316 pending. I have changed plug, coil, injector, fuel filter, checked for vacuum leaks, cleaned MAF and throttle body and all...