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The AutoMeter 52.4mm narrowband air/fuel ratio gauge monitors AFR using factory narrowband O2 sensors (0–1V). Intended to warn against lean conditions during spirited driving, it can connect directly to many factory O2 sensors or use AutoMeter’s model 2244 narrowband sensor if needed. Not compatible with wideband (0–5V) sensors; check fitment before purchase.
Autometer 52.4mm Air/Fuel Ratio, narrowband Digital Pressure Gauge
