Cruise Control Gremlin - Alfa Romeo Bulletin Board & Forums

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Old 03-24-2010, 09:42 AM
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Cruise Control Gremlin

The cruise control on my 91B automatic works reasonably well. But when I am in the 60-65 mph area and set the speed, it likes to accelerate another 5 - 8 mph. So if I want to cruise at 65, I need to first slow to about 60 and set the speed. It then adds another 5-8 to that. If I am going 55 - 60 or 65-70 then it only speeds up a couple of mph. It's just that 60 - 65 that gives it big problems.
My previous 91 had this same issue. Is this just part of the 164 experience or is there something to check out?
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Old 03-25-2010, 04:14 AM
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Do you just tap the set button? On mine if I set it with a tap it stays where I want it. If I push and hold it too long it will accelerate as you say.

Paul
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Old 03-25-2010, 04:54 AM
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Might be the first sign of a speedometer sending unit going bad. I had one do that several years ago. It got so I couldn't use the cruise control at all, then the speedometer stopped working. When I replaced the sending unit everything started orking again.
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Old 03-25-2010, 11:07 AM
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I tend to push the set button vs a tap. I'll give that a try and see what happens. The sending unit might be an issue as well. I noticed a copuple of weeks ago while cruising down the freeway that the speedmoeter was dropping down into the 40mph range. It quickly recovered and I haven't noticed any problems since, but cetainly something wasn't quite right.
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