P0144 OBD Trouble Code

1 result found

P0144 - GM
Type Powertrain - Fuel and Air Metering - ISO/SAE Controlled
Description

HO2S Circuit High Input Conditions

Location Bank 1 Sensor 3
Cause

No PCM or TCM codes set, in closed loop, then the PCM detected the HO2S-13 signal remained over 999 mv, or in Decel Fuel Mode, voltage remained over 200 mv for up to 105 seconds

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