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How your car’s vacuum leaks ruin performance
Your car’s performance depends on precise control of air, fuel, and spark, and vacuum leaks quietly disrupt that balance.
Helium leaks are hard to detect. Helium is odorless, colorless, tasteless, and does not react with other chemical substances.
The FBI has begun administering polygraph tests in an effort to identify the source of leaks from within the bureau, the agency said Monday. “We can confirm the FBI has begun administering polygraph ...
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