Originally Posted by sdarc
Ok been reading this and I have no cruise but my vents do change. If there was a vacuum leak would it not run rough? Mine smooth as silk. Haven't really dug into this yet as most of drive is on congested roads.
If you have the AZC dual climate, then the mode door is run by electric motor.
I have had a vacuum line fall off of my throttle body and it idled perfectly normal. More than likely, you have a vacuum leak, but it's not the only problem that can cause cruise control to stop working.
We just start with the easiest.
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