To regulate EGR more accurately, some EGR systems use ____________________, in the same way as fuel injection systems, to rapidly cycle an EGR vacuum control solenoid on and off.

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The Answer of To regulate EGR more accurately, some EGR systems use ____________________, in the same way as fuel injection systems, to rapidly cycle an EGR vacuum control solenoid on and off.

To Regulate EGR More Accurately, Some EGR Systems Use ____________________