DTC P117A Audi
O2S (Bank 1, Sensor 3)
O2S (Bank 1, Sensor 3)
Description
Lambda control, closed loop 2nd lambda control, closed loop 3rd lambda control, closed loop Modeled exhaust gas temp, >400° C Engine speed, 1500-6300 RPM Engine load, 14-120% Electrical check, ready, no fault O2S heater rear 1, ready, no fault O2S heater rear 2, active
Cause and Solution
O2 sensor circuit has shorted to ground or B+
O2 sensor circuit is open
ECM has failed
O2 sensor has failed
Intake Manifold Runner Position Sensor is faulty
Intake system for leaks (false air) is faulty
Video Guide
Diagnostic Info
- DTC Code: P117A
- Brand: Audi