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hesitates stumbles then dies

  #1  
Old 09-06-2017, 11:08 PM
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Default hesitates stumbles then dies

i have a 83 lebaron with a 2.6 liter motor. when it gets to operating temp it starts to hesitates and stumbles BAD when at idle and when I lightly apply the throttle. i have to put it in nuetral and keep the gas pedal accelerated till i have to take off. then it will stumble, buck, and even die. then ill start it right up and itll drive good. whats my first step to diagnose this problem
 
  #2  
Old 09-08-2017, 08:42 AM
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Location: Western NY
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Check for cracked or broken rubber vacuum lines, and then ckeck EGR vale that it is not sticking open.
 
  #3  
Old 09-09-2017, 02:34 PM
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Location: Western NY
Posts: 780
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The carb on those old mitsubishi motors were a real pain also along with a relay that had a non existent replacement relay that would go bad and cause the same symptoms, even when they were NEW. I had to work on a few of those motors WAY BACK in the mid eighties, and there was little good info for them then!!!
 
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