Acceleration issue

[Snicklefritz]

It was a single cracked spark plug. They said the coil pack was okay....see if it lasts

That's how my issue started, or rather after I changed all the plugs on recommendation, then two weeks later I started to notice hesitation under boost, for the first second or so, then it would smooth out. after another 4,000 miles or so it was worse and the cel started to show and stay on longer. that was when we found out the plug was cracked. after the replacement plug also went bad that was when we discovered the bad coil pack / boot.

 

[NjStinger609]

Might be a little late on this but just to help anybody else out. I also was having this issue even before i got the car tuned and the stinger ended up at the dealership for 2 bad coils. Now car is tuned on lap3 stage 1.5 with mods and car ran great but after a few months noticed that the car when i went full throttle will start to stutter and hesitate but ran fine if i was just cruising. When i went to my mechanic we checked the other coils and i ended up having 2 more bad coils and a cracked spark plug. So i ended up getting 4 new coils since i had 2 recently replaced and 6 of the hks spark plugs just to be safe and car is running smooth again.