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  #1  
Old 03-17-2005, 06:11 PM
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Rough Idle When Cold

Rough/low idle when first started in the morning, conks out sometimes if I don't give it a little pedal. After that first start no problem, runs great. (Don't want to be adjusting my idle speed for that reason).
Tried searching the archives but there's so much stuff comes up with 'idle'...
I remember reading something about a vacuum controlled idle valve - or am I dreaming?
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1982 300D Turbo 150K
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  #2  
Old 03-17-2005, 09:58 PM
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Location: Cleveland, Ohio
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I've got the same problem,,,

but I've attributed mine to high mileage,,, 344K miles is high, isn't it.

After she warms up, she purrs like a diesel is supposed to purr.
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  #3  
Old 03-17-2005, 10:34 PM
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Hmmm

Quote:
Originally Posted by veg_burner
Rough/low idle when first started in the morning, conks out sometimes if I don't give it a little pedal. After that first start no problem, runs great. (Don't want to be adjusting my idle speed for that reason).
Tried searching the archives but there's so much stuff comes up with 'idle'...
I remember reading something about a vacuum controlled idle valve - or am I dreaming?
Test your glow plugs Glow Plug Testing?

If you are running veggie, your mix may be jelling just a little.

Could also be rack dampener needs adjustment or replacing.
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  #4  
Old 03-18-2005, 12:53 AM
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what is the rack dampener?
wouldn't be the glowplugs would it as it starts up just fine then idles low/rough.
no veggie yet...
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1982 300D Turbo 150K
PlantDrive Single tank WVO conversion
6000 veggie miles and counting!
-----------
1985 Ford F250 - 132K
PlantDrive Two-tank WVO conversion
15,000 veggie miles and counting...

Driving for FREE!
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  #5  
Old 03-18-2005, 01:26 AM
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Mine started idleing rough.
Found a dead glow plug...
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  #6  
Old 03-18-2005, 08:03 AM
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Same issue with me. My glow plugs checked OK. I'm due for a valve adjustment. That may help, but I would think that would also influence starting, not just cold idle.

K.C.
84 300D, 214k
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  #7  
Old 03-18-2005, 11:36 AM
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mine too

my 81 TDT, idles so rough the whole car shimmys side to side even when warm.I just got it running though after 3 years of sitting.
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