Fault codes › P1144

P1144

HO2S Bank 1 Sensor 3 Rich or High Voltage

Chevrolet Fuel and Air Metering Medium severity Moderate repair
Free on OBD DashX

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iWhat P1144 means

  • HO2S signal higher than a calibrated limit

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Free on OBD DashX

P1144 on OBD DashX

Real-world causes, how often this code shows up, and the fix — step by step.

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