Serious hesistation/bucking

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Old Feb 18, 2009 | 09:30 AM
  #1  
qstyle's Avatar
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Default Serious hesistation/bucking

Hello everyone,

just an update to my previous issue for anyone that chimed in, it was the hall sensor (thanks bubba) , switched her out and she fired right up.

Now ive got a new problem. Basically when i bought the car a couple months ago, on the way home it started hesitating but only after 55mph and it only happened a couple of times not consistent. Well a couple of weeks ago i felt it again. I did change out the fuel filter under the hood. Yesterday after i got the car started , i drove it and it was fine. However last night i drove it and it was hesitating like it was running out of gas every time i would start going from a stop, so i got her home. And yes i do have gas in my tank ( a little less than a 1/4)

1 thing i do know is my flame trap hose broke off and there are 2 hoses that go to my intake from the flame trap and at the moment they are open, would that cause it?

I have service records showing the in tank pump was replace 40k miles ago and the relay was replaced about 3k miles ago. any thoughts?

I have a 82 245 dl wagon with K-jet
 
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Old Feb 18, 2009 | 02:19 PM
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I had this issue as well and what i did was replaced the line that comes from, the fuel pump and connects to the metal lines and it works great. But i think that you might have to fuel pumps on your model so you could change both to just make sure the problem is gone.
 
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Old Feb 18, 2009 | 06:51 PM
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Bucking could be anything, ranging from fuel injection relay to spark plug wires. On my 740, once I replaced the wires, that cured the problem (so far).
 
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Old Feb 21, 2009 | 09:20 AM
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Check your O2 sensor. I had a bucking/hesitation problem recently that we traced back to a damaged O2.
 
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Old Feb 22, 2009 | 09:54 AM
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Default O2 sensor

hi,

i actually recently replaced my o2 sensor maybe 3 weeks ago so i dont think thats it.
 
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