Hello everyone. I just joined GPF and I already have a problem. I have a 1998 Grand Prix GTP. Just recently, I noticed that on hard acceleration, my car will stutter, almost as if it's misfiring, and accelerate rather sluggishly. It makes a kind of bubbling sound/feeling. That's the best way I can describe it. When I do a nice smooth acceleration, there is no problem at all. I gapped and changed all of the spark plugs recently. I am trying to figure out if it is possibly an ignition coil, a bum spark plug, or possibly a fuel injector. Does anyone know a way to tell if it is any of these? I don't think it could be a spark plug seeing how the problem does not happen all the time, only on hard acceleration. If anyone knows anything, please let me know. Thank you so much.
