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Old 09-04-2002, 11:14 PM
Posts: n/a
Angry 1977 280SE fuel delivery problems

Help me out guys,

I have a 1977 280 SE with the double overhead cams. I have just recently purchased this baby and don't have very much experience on MB. When i start the car, the fast idle kicks in great. After it runs for a few minutes the idle slowly but surley gets lower and lower untill it just dies. The total running time from start to die is anywhere from 5 to 10 minutes. Is this a choke issue? I have replaced the plugs with NGK's and i am getting great spark. I have also change the fuel filter. Anyone heard of this before? Any help would be much appreciated. Thanks, Boss
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Old 09-05-2002, 12:34 AM
Senior Member
Join Date: Mar 2001
Location: Accokeek, MD
Posts: 683
Check for vacume leaks.

1993 190E 2.3
2000 Toyota 4x4 Tundra
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Old 09-05-2002, 08:00 AM
it leaks, its german
Join Date: Mar 2002
Location: raleigh nc
Posts: 1,111
M110, neat engine, sounds like a singer sewing machine but, tough as nails. Check the fuell mixture, vacum leaks and then reset the base idle. The adjuster is sort under the intake towards the front, its a white plastic slotted skew about 1/2" around.

Project Smoker, '87 603 powered wagon
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Toy 73 Cougar xr7 convertible
Acme Automotive Inc.
Raleigh NC
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