P0139 OBD Trouble Code

1 result found

P0139 - 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, ECT sensor input more than 176°F, then the test started and the PCM did not detect a rich or a lean condition from the rear HO2S-12, or it detected that the HO2S-12 signal remained fixed at 0.5v for over 1.5 minutes.

Try also: https://www.obd-codes.com/p0139