Your Questions About Fuel Economy Gauge

Sharon asks…How to set up a vacuum gauge for fuel economy? Like a bmw?I was thinking of installing an aftermarket vacuum gauge to monitor fuel economy similar to how a BMW does it and it would be nice to have for diagnostic purposes. So where do hook It up (straight into the intake manifold or use a T into something else)and how do in interpret the values into effeciencydude17111 answers:Use the vacuum manifold. Most BMW's have a trip computer that shows MPG...George asks…Fuel Economy

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