Hey all i have been having engine light troubles for a while now and the codes i am getting are P0300,P0304,P1128 and P1129. i have a feeling the 1128 and 1129 have to do with the O2 sensors and the others are random misfire and cylinder 4 misfire. Has anyone else had these codes or problems? my truck hesitates after putting it in drive to accelerate after sitting for a while but its an intermitent problem and isnt constant. I wasnt sure what to look into first, i have replaced the coil and the spark plug but those dont seem to be the issue i dont think. The spark plug looked fine and the coil i put in is new. I have a fuel injector but not sure that is the problem. Any help would greatly be appreciated. I am kinda lost as to where to start or what to do. Thanks

 

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