Quote:
Originally Posted by emjp4
I had this very problem. It was fixed by turning the cruise control cable a few turns, giving it some slack. Turns out the plastic it's encased in expands in high temperatures, causing an already taut cruise control cable (which is attached to your throttle plate) to gradually flex and put tension on the cable, thus causing the slow rise in rpm.
Since the fix, I haven't seen the rpm idle raise again with no other changes in these regards. My driving is during traffic hours, tons of stop and go..
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That would make perfect sense. I'll take a look tonight, thank you.