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Slight stumble on takeoff

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Old Aug 2, 2006 | 12:35 AM
  #11  
1fast97gsx's Avatar
1fast97gsx
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Default RE: Slight stumble on takeoff

I got a chance to check 5 of the injectors without pulling the upper intake. The others I didn't get to reach, but the ones I tested were all fine. I also replaced the cap and rotor today with no luck. Any more ideas?

Also, I notice the car has a vibration if I put it in drive and let it idle. If I put it in neutral then it goes away. If I freerev it in neutral however once the rpms begin to drop to around 1500 or so it will stumble until it reaches idle speed and then it clears up. Weird. Could a weak coil be a possbility?
Old Aug 2, 2006 | 12:52 AM
  #12  
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ackuric
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Default RE: Slight stumble on takeoff

you test your tps? clean the maf lately?
Old Aug 2, 2006 | 06:06 AM
  #13  
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1fast97gsx
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Default RE: Slight stumble on takeoff

MAF was cleaned last night. It turns out what I felt and made out to be a miss was actually vibration caused by the engine from being out of balance. The harmonic dampener took a dumpsky and is what's causing these vibrations. I assumed it to be a misfire problem immediatly because I have never felt a car with an imbalance problem. Once I track down a dampener that will work on my car and get it in there I will post the results. Any idea what year dampeners will fit?? 1995 5.0 gt. Thanks.
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