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The AutoMeter Sport-Comp II 52mm narrowband air/fuel ratio gauge reads 0–1V narrowband O2 sensors to warn of lean conditions that can damage an engine under load. It connects directly to many factory narrowband oxygen sensors or pairs with the AutoMeter 2244 narrowband O2 sensor. This gauge is not compatible with five-wire or wideband (0–5V) O2 sensors.
Autometer Sport-Comp II 52mm Lean-Rich Digital Air/Fuel Ratio Narrowband Gauge
