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-   -   2008 4.7 idle @500rpm and random misfire code (http://www.ramforumz.com/showthread.php?t=127551)

Rampilstilskin 12-05-2012 03:09 PM

2008 4.7 idle @500rpm and random misfire code
 
About a week ago my check engine light came on. Went home and hooked up the code reader and the code was p0300, random misfire. So I replaced all of the lower bank plugs with news ones from the dealership. Code went away but now it's idling @ 500 instead of the normal 600 and its fluctuates between 500-600 while sitting at red lights etc. the exhaust doesn't have a smooth tone like it should. So I just cleaned the throttle body but still has low idle.

06PowerWagon 12-05-2012 09:26 PM

disconnect your battery and then reconnect

Rampilstilskin 12-08-2012 11:43 AM

Ok did that. Worked for about a day and now it's back to about 500.


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