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My 2016 jeep went in for service because stall first thing in morning. They changed valve body was good for two days. Now it's almost stall and when pushing brakes just doesnt seem to want to stop. Have to put into neutral. Anyone know what might be going on? Dealer doesnt . Thanks
 

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While I have not dug into the jku vacuum system. This sounds a lot like a vacuum leak on previous jeeps I have owned. I know the break booster should be vaccum based. It's possible the egr is as well? Idk I'm guessing.
 
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