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#1
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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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Jeff ___ 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! ![]() |
#2
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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. |
#3
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Hmmm
Quote:
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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ASE Master Mechanic https://whunter.carrd.co/ Prototype R&D/testing: Thermal & Aerodynamic System Engineering (TASE) Senior vehicle instrumentation technician. Noise Vibration and Harshness (NVH). Dynamometer. Heat exchanger durability. HV-A/C Climate Control. Vehicle build. Fleet Durability Technical Quality Auditor. Automotive Technical Writer 1985 300SD 1983 300D 2003 Volvo V70 https://www.boldegoist.com/ |
#4
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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...
__________________
Jeff ___ 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! ![]() |
#5
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Mine started idleing rough.
Found a dead glow plug... ![]()
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Think Alternative Energy! ![]() 300CD '80 (now gone but not forgotten...) ![]() |
#6
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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 |
#7
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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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