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Multiple misfires.. Code301 changed to p0300

  

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scotty..Hows it goin???     QUESTION??? 2007 Tahoe 5.3 2wheel drive.. Was reading code 0301 changed out "Coil&Plug" in #1 ...Then switched 1&3 , Then changed out Coil #3&plug.. Now it reads P0300 multiple misfires.. I dont know what to do?? I need your help Please... Thank you in advance..


Also the Traction control light came on & the Check engine light came on and is now blinking...


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Please try the FAQ


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