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Discussion Starter · #1 ·
Car has randomly lost power brakes, traction control, VSC, and idles really rough multiple times and then it's fine the next day. Checked brake booster and brake booster check valve, seem to have no issues there. Any ideas?

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What is this part and should it be making a popping/clicking noise?
 

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Discussion Starter · #3 ·
Sounds like a vacuum leak. Any cel codes?
Yeah but it comes and goes. Last time I got codes read, I told the guy about my problems and all he said the only thing on the obd was evap and that it was misfiring. I'm gonna have to go back and hope something else comes up. I've checked a few of the vacuum hoses and so far all seem fine, the one that had a crack in it has been replaced but the problem still happens.
 
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