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Stuttering Under Hard Accel eration

9

99coupegtp

New member
I'm completely stumped by what my car is doing and I wasn't sure what to search.

My issue is that when I'm accelerating rapidly the car begins to stutter in the 5200-5800 RPM range. This issue doesn't appear to occur in first gear but it does occur in second and third gears.

Things I have noticed while it's doing it:
  • Power drops
  • RPMs bounce roughly 100 RPM
  • Boost drops
Things I have tried doing to fix it:
  • Smaller belt. The smaller belt put the tensioner indicator on the middle of the three markings
  • Different boost bypass solonoid

The PCM is not reporting any misfires or knock.

Any suggestions are greatly appreciated!
 


When was the last time the fuel filter was changed? Could be plugged up enough to cause the stuttering but not bot enough to set a misfire code yet.
 


Slick2500 said:
When was the last time the fuel filter was changed? Could be plugged up enough to cause the stuttering but not bot enough to set a misfire code yet.
Click to expand...

Ehhhh. Not since I've owned it(2 1/2 years). I did think of that myself because I'm sure it needs it. I'll go ahead and order one to get it done and out of the way. Thanks!
 
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