Sputtering at high speeds up hill

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  #1  
Old 06-16-04, 08:19 PM
DBinSD
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Question Sputtering at high speeds up hill

I have a 84 BMW 733I that has just recently shown some weird behavior. Noticed if I'm going about 70 or more up hill it I can feel some hesitation or sputtering. If I drop below 70, around 65 it drives smoothly.

Any ideas on where to start??

Thanks in advance
 
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  #2  
Old 06-17-04, 09:56 AM
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My first instinct would be to change the fuel filter; high speed and uphill you're putting max demand on and any restriction of fuel delivery might do that. Could also have a breakdown in ignition components - plugs, plug wires, etc.
 
  #3  
Old 06-17-04, 04:33 PM
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As tow guy has noted a little maintenance will go a long way.Do a major tune up not just plugs and replace all filters.A fresh oil change won't hurt if it's been misfiring.
 
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Old 06-17-04, 06:00 PM
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Thats right

Do a tune up sounds like a fuel filter to me also.
 
  #5  
Old 06-19-04, 12:49 AM
DBinSD
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Thanks all!!! I'll take care of that this payday and post back here with the results.
 
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