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Low power at low RPMs

  #1  
Old 10-21-2007, 09:48 PM
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Default Low power at low RPMs

I just got a 96 Silverado 1500 w/ 5.0 L V8 and it seems to lack power at low RPMs and vibrates from ~1600-1900 RPMs can anybody offer suggestions as to the source of this problem?

Thanks in advance,

Bill
 
  #2  
Old 10-21-2007, 11:21 PM
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Default RE: Low power at low RPMs

4x4 or 2wd?
 
  #3  
Old 10-22-2007, 07:07 AM
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Default RE: Low power at low RPMs

Maybe it just needs a tune up. If you lacking power I'd start by replacing the fuel pump. Then plugs, wires, so on and so forth.
 
  #4  
Old 10-22-2007, 11:52 AM
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Default RE: Low power at low RPMs

It is just 2wd.
 
  #5  
Old 10-22-2007, 12:00 PM
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Default RE: Low power at low RPMs

Try tuning it up first. Fuel filter might need replaced. If it vibrates badly, it could be a bad motor mount.
 
  #6  
Old 10-22-2007, 06:32 PM
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Default RE: Low power at low RPMs

It seems like it is more than just a vibration, I can "hear/feel" it in the exhaust. It seems like a dead cylinder, but the gas mileage isn't suffering. Does this help???

Bill
 
  #7  
Old 10-22-2007, 10:35 PM
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Default RE: Low power at low RPMs

easy way to find a dead cylinder is spray the header with water if one doesnt evaporate its a dead cyl.
 
  #8  
Old 10-23-2007, 07:21 AM
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Default RE: Low power at low RPMs

Well that and an even easier way would be to ask him if the check engine light is on.
 
  #9  
Old 10-23-2007, 08:14 AM
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Default RE: Low power at low RPMs

Heathwh - What have you tried or checked so far? Plugs ok? Wires ok?
 
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