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#1
09-12-2012, 12:18 AM
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1995 300D RUNS ROUGH UNTIL OPERATING TEMP
I have a 95 300D that runs rough when first started. White smoke comes out as it sputters. Once I start it again and give it a little peddle to keep it running its fine.
Need advice!
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1995 E300D Last edited by whunter; 01-31-2014 at 08:50 AM. Reason: tweak title 
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#2
09-12-2012, 12:43 AM
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One or more bad glow plugs?
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 "Buster" in the '95 Our all-Diesel family 1996 E300D (W210) . .338,000 miles Wife's car 2005 E320 CDI . . 113,000 miles My car Santa Rosa population 176,762 (2022) Total. . . . . . . . . . . . 627,762 "Oh lord won't you buy me a Mercedes Benz." -- Janis Joplin, October 1, 1970
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#3
09-12-2012, 12:44 AM
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Answer
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ASE Master Mechanic asemastermechanic@juno.com 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 1984 190D 2003 Volvo V70 2002 Honda Civic https://www.boldegoist.com/
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#5
09-12-2012, 10:31 AM
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It could also need a valve adjustment. As the engine warms up and the cam towers expand, clearance will be restored to a valve that was tight when the engine was cold. As others have said, GP's would be the first place to look.
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#6
09-12-2012, 10:38 AM
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No valve adjustments needed or possible
Quote:
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"Buster" in the '95 Our all-Diesel family 1996 E300D (W210) . .338,000 miles Wife's car 2005 E320 CDI . . 113,000 miles My car Santa Rosa population 176,762 (2022) Total. . . . . . . . . . . . 627,762 "Oh lord won't you buy me a Mercedes Benz." -- Janis Joplin, October 1, 1970
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#7
09-12-2012, 03:58 PM
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Atomized unburned fuel would appear black. White smoke is a very strong indication of coolant entering the cylinders, Check you coolant levers periodically and make sure you aren't consuming any.
Possible explanation, very small crack in cylinder head or head gasket that seals as the engine expands. Had a very similar problem in the TD about 2 years ago now. ended up being the head.
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Current 2006 E320 CDI, 57K bought at 67K "Liesl" 1986 190E 2.3-16, 198K bought at 56K  "Brigitta"1987 300TD (Chuggin Along), 292K "Friedrich" 1995 E320 Wagon, 200K "Louisa" Past 1987 300SDL, (sold) 125K, bought for 1$ "Kurt"
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Linear Mode
