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45 Posts
hi i have 2 misfires in my 99 5.2 v8 on cylinder #2 and #6. both plugs look okay and ive ran a pint of soltron through the fuel system hoping it might clear up gunk in the screens of the injectors... it didnt so i went and bought 2 injectors and id like to replace them now... i was told my my automotive teacher to pull the fuel pump relay and run it till it runs out of fuel in the lines so i can safely pull the fuel line from the rail... all i found was a "fuel system relay" so i pulled it and the truck wouldnt even fire so im assumig that shuts everything down... im wondering where the "fuel pump relay" is and if im actually doing this right. id like to have this done soon because id like to sell the truck. any help would be appreciated and any tips on replacing the injectors. thanks, Grant