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P0131 Diagnostic Trouble Code Discussion for January 2005

Air Fuel Sensor (Bank 1 Sensor 1) Circuit Low Input (Lean Shift)

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Trouble Ticket Help Requests for DTC P0131
Help Request Posted
2000 Kia Sephia LS 1.8L MIL Lamp on VIN: KNAFB121XY
P0131: Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Low Voltage. ... to codes P0131 & P0135. Cleared codes after repair and Check Engine Light still coming on with same codes. Checked fuses all look good. I do have 12V at pink wire going to heater part of H02S.I am thinking possible ECM.Any Kia Techs out there that have...
January 03, 2005
2000 Honda CR-V LX 2.0L Poor Idle Quality, Cuts out, Misfire, MIL Lamp on VIN: JHLRD1865X
P0131: Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Low Voltage. Car has a rough idle when warm, and tries to die. When it came in symptoms were warm and cold. Replaced distributor and rechecked valve tightness-yes cold too.Code came back once. Car is fine cold after distributor replaced but still won't idle or run well whe...
January 21, 2005