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Rough idle, sometimes dies in reverse

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Old Oct 14, 2004 | 01:49 PM
  #1  
Loganwildman's Avatar
Loganwildman
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From: Indiana
Rough idle, sometimes dies in reverse

Please help me solve a problem with my 90 460 (high miles). Since purchasing it a few weeks ago, it idles, but is rough, and if I rev it up in neutral then let it come back to idle, it will die. It has no problem starting, and it has plenty of get up and go, but has what I feel is terrible gas mileage. I just purchased a new cap, rotor, plugs and wires and air filter to install this weekend, but I'm not convienced that this is the problem.

I tried to do a search for this, but am unable to access the search page.

So, does anyone have any ideas?
 
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Old Oct 14, 2004 | 01:58 PM
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Is the roughness consistant in pattern, like from a dead miss or a weak cylinder, or is it more intermittant?

Brad
 
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Old Oct 14, 2004 | 02:02 PM
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Loganwildman
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seems more intermittant. I have been watching the revometer (Tach) and don't see a drop like I would expect to see with a dead cylinder.
 
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Old Oct 15, 2004 | 12:06 PM
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Refresh my memory - is the '90 carbed or injected?

Brad
 
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Old Oct 15, 2004 | 03:21 PM
  #5  
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Loganwildman
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The 90 460's are Injected
 
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Old Oct 15, 2004 | 04:21 PM
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Stonecoldtx
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heh heh - sounds like IAC motor . . .
 
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