P0140 OBD Trouble Code

3 results found

P0140 - Generic
Type Powertrain - Fuel and Air Metering - ISO/SAE Controlled
Description

O2 Sensor Circuit No Activity Detected

Location Bank 1 Sensor 2
P0140 - Chrysler
Type Powertrain - Fuel and Air Metering - ISO/SAE Controlled
Description

HO2S Remains At Center Conditions:

Location Bank 1 Sensor 2
Cause

Engine runtime over 2 minutes in closed loop, ECT sensor input more than 176°F, then the test started and the PCM applied 5v to the rear HO2S-12 circuit for 30 seconds and then detected that the rear HO2S-12 signal was fixed between 0.39v to 0.52v (condition met for 30 seconds).

P0140 - GM
Type Powertrain - Fuel and Air Metering - ISO/SAE Controlled
Description

HO2S Circuit Open/Inactive Conditions

Location Bank 1 Sensor 2
Cause

No Engine Sensor or Misfire codes set, engine runtime 1 minute, ECT input above 140°F, in closed loop A/F ratio at 14.7:1, throttle angle off idle over 6.5%, then the PCM detected that the HO2S-12 signal remained from 391-491 mv, condition met for 90 seconds

Try also: http://www.obd-codes.com/p0140