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05 4.7 Dakota hits 2500 rpm wont go higher. PLEASE HELP

2288 Views 6 Replies 5 Participants Last post by  modain, 
JonathaF
Have a 2005 dodge dakota, 4.7 HO. Truck has around 151,000 miles. Just changed the plugs and ignition coils a few months back. Just had a fuel injector replaced by a shop. When I am driving it shifts fine, runs a bit rough at idle not bad though. Runs really rough whenever whenever i get on the gas then when i try to go past 2500 rpms it just starts like jolting and kicking back almost. It just started doing this. Ran codes and they are

o2 sensors
0058
0052
p0300 multiple misfire
p0306 misfire on cyclinder 6
p2317 igntion coil 6 secondar circuit insufficient ionization.
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W
A few thoughts.
Electrical grounds.
Swap the coil from 6 to another cylinder and see if the code moves to the other cylinder.
Were the replacement coils OEM parts?

Also, what cylinder did the new injector get installed in?
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