Car runs like crap but no codes HELP

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Jun 2, 2006 | 03:42 PM
  #1  
I just replaced the Mass Air Flow Sensor the car runs much better than it did. but it still hesitates and bucks and surges every once in a while.
I checked for codes and found none, brought it to the dealer and he ran it and found nothing.
He wants me to drive it till it does trip the light then bring it in again.
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Jun 2, 2006 | 03:51 PM
  #2  
welcome to the club.. population (many)
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Jun 2, 2006 | 04:02 PM
  #3  
could be the knock sensor
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Jun 2, 2006 | 04:51 PM
  #4  
Clean TB, clean IACV, check TPS. Do 60K service.
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