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Title: Not a very useful gauge
Review: Autometer makes some very high quality gauges. This gauge is no exception in terms of build quality, but unfortunatley a narrow band AFR (Air-Fuel Ratio) gauge is not very useful. It taps into the car's stock oxygen sensor and as a result what you see on the gauge is a constant sweep back and forth from full rich to full lean. You get a pretty light show, but no useful information. Fortunately, Autometer will soon be releasing a wide-band AFR gauge that will include a Bosch wide-band oxygen sensor. That setup will provide useful information. Until then, skip this narrow band setup and save your money for something useful.
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