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Vacuum line stalling engine when connected to nvld

2482 Views 48 Replies 5 Participants Last post by  Bob Lincoln
Does anyone know why when I connect the 2 vacuum lines 1 from plenum the other on to of throttle body the engine cuts off on idle.
Do these lines go to a vacuum pump? Defective?
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· Super Moderator
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There should be a vacuum diagram under the hood of the car. Use it to check where hoses go.
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