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Old 10-18-2010, 10:49 AM
Tom Evans
 
Join Date: Jan 2007
Posts: 180
My Wife's 300SD Has The Shakes and Drinks More!

We own two 300SDs, 1981 and 1982. The 1981 has developed a noticeable shake when first cranked in the day. The air cleaner does the St Vitus' Dance. In time it will smooth out. Acceleration is normal. I have recently adjusted the valves and even went back a second time to insure that I had them all adjusted properly. The shock mounts on the air filter housing are all new. The only other recent variable is that I have used about three tanks of fuel from a different source (BP). For the last 10 years, I have exclusively used QT Diesel from one of their high volume truckstops. I have used the same number of tanks of BP fuel in my 1982 and it shows no effect.

One final thing. It appears that the MPG for the 1981 has gone down slightly (from 23 to 20).

Slightly clogged injector? Any other ideas?
__________________
Tom Evans
69 280SE 91K (wish I still had it)
73 220D 98K
78 300D 134K
78 300D 185K
81 300SD 301K (still have)
82 300SD 321K (still have)
84 300D 268K
84 6.2 Diesel GMC Suburban 225K (a whole different story!)
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