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Registered
Join Date: Jun 2007
Location: Riverside, Ca
Posts: 7
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Cruise control question/problem
I have a 79 911 with cruise control. The cruise control works, but it will chase the set speed I.e. If 65 mph is set, the speed will fall about 5 mph (60 mph) then speed up to about 67 mph then slow down again and start the process over. Is this the control module, maybe a vacuum leak or something else? Any help will be appreciated.
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08-09-2011, 06:20 AM
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Registered
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I replaced the spped control computer in the trunk of my 85 911 and it now works fine. My car would not hold the set speed. I bought the used unit on ebay for $45.00
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08-09-2011, 04:59 PM
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Porsche 911 Carrera
