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Old 02-04-2002, 12:39 AM
unkl300d's Avatar
unkl300d unkl300d is offline
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Join Date: Jul 1999
Location: San Francisco, Ca
Posts: 2,275
Cruise Control antics revisited

My cruise control worked as my last post on this thread indicates, but later
would not set on correct speed.
I have not used it for some time.
The other day I tried it and it worked flawlessly
for several miles (25) but then it disconnected while going up a steep incline on the freeway.
After I reset it, it lost 10 miles per hour before
holding the speed. Later it lost 15 then 20.
So now it is flawed again.
Does this behavior narrow down the cause to either the computer or to the actuator (vacuum) ?
1979 300D
Could this just be a vacuum leak?

1979 300D 199 K miles
1995 C280 95 K miles
1992 Cadillac Eldorado Touring Coupe 57K miles
1979 240D 140Kmiles (bought for parents) *SOLD.
1989 300SE 148 K miles *SOLD
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