got 1990 z32 na 5 speed . the thing is the car was fine everything works good. out of no where car start to loose power, losing the horse power. mostley when It start moving it is really heavy. The engine is missing now. I changed the spark plugs and still didnt get better. when you go and put your hand on the tip of the mufller I mean when you cover it a little you can here it really missin..pop pop pop pop pop pop. the car moves but lost a lot of power, what is the deal . ?? could it be from injectors or something else. has any of you guys had the same problem ? or I am the only one. ?? help

 

thanks buddy .. I will check them out and see if the problems from there.