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Yes it would and how big the vacuum leak would determine how bad.

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Q: Does a vacuum leak make you lose power and how bad?
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Can a vacuum leak make you lose gas quicker?

Yes, a vacuum leak can affect the air-fuel mixture in the engine, causing the engine to run inefficiently and potentially burn more fuel. This can result in increased fuel consumption and make you lose gas quicker.


Can a vacuum leak cause braking problems in a jeep yj?

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"Power Brakes" are actually "vacuum assisted brakes", meaning that a vacuum diaphragm is used to provide additional force against the brake pedal as you attempt to stop your vehicle. If the engine vacuum has decreased, through wear, timing issues or because of a vacuum leak, there will be considerably less of the vacuum assist available when you stop your vehicle. First, check for a vacuum leak, and make certain that you include the vacuum assist module. If there are no vacuum leaks, check the vacuum that the engine is creating; if that's not the problem then you may have a leaking or damaged master cylinder.


Why does your blend door in your Voyager minivan make a closing noise when you brake when had it replaced 1 year ago?

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What would make a 1999 ford contour run bad just idling but runs fine on highway?

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