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Old 10-25-2001, 05:37 PM
stephenson stephenson is offline
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Join Date: Dec 2000
Location: Fairfax County, Virginia
Posts: 856
W126 ASD Light and Troubleshooting

My 1991 350SDL has ASD ... or used to.

I have been unable to find a troubleshooting guide or procedure for the "ASD Light On" fault. I assume the ASD is NOT working with the light on all the time - versus it flashing when the ASD does work in normal mode.

Can anyone help me with this? I hate guessing ... my final resort is simply to start replacing components - best guess would be the accumulator in the right rear of the car.


George Stephenson
1991 350 SDL (200K and she ain't bent, yet)
former 2002 E320 4Matic Wagon - good car
former 1985 300 CD - great car
former 1981 300 TD - good car
former 1972 280 SEL - not so good car
a couple of those diesel Rabbits ...40-45 mpg
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