What causes the O2 sensor to set the p0139 code?

What causes the O2 sensor to set the p0139 code?

The code is set if the O2 sensor for bank 1 sensor 2 does not respond to the fuel cutoff for 7 seconds or more. This can be caused by excessive fuel still in the exhaust stream from possible leaking in the fuel injection system. What are the symptoms of the P0139 code?

Why does my car have a code p2097?

Assuming that there are no additional codes present, the possible causes of code P2097 could include the following-. Damaged, burnt, shorted, disconnected, or corroded wiring and/or connectors. Defective oxygen -, or air/fuel ratio sensor.

What is the diagnostic code for O2 sensor circuit slow response?

P0139 is a diagnostic trouble code (DTC) for “O2 Sensor Circuit Slow Response (Bank 1, Sensor 2)”.

When does the PCM set code p2097?

In both cases, the PCM (Powertrain Control Module) sets code P2097 when it detects an excessive amount of un-combusted hydrocarbon molecules in the exhaust stream downstream of the catalytic converter on the one hand, and that it (the PCM) is unable to correct the air/fuel mixture, on the other.

The code is set if the O2 sensor for bank 1 sensor 2 does not respond to the fuel cutoff for 7 seconds or more. This can be caused by excessive fuel still in the exhaust stream from possible leaking in the fuel injection system. What are the symptoms of the P0139 code?

What can I do to fix my p2097 code?

Simple repairs such as these can fix the P2097 code: 1 Exhaust leak repaired or resolved 2 Catalytic converter replaced 3 Oxygen sensor replaced

When to use the p2097 fuel trim code?

If everything is working properly, the catalytic converter should burn off any excess emissions and the fuel trim should be within range. When the oxygen sensors after the catalytic converter relay to the ECM that the fuel trim is too rich, then the P2097 code is set. A Check Engine Light will accompany the P2097 code as well as a failsafe mode.

What does the p2097 code on a catalytic converter mean?

When the oxygen sensors after the catalytic converter relay to the ECM that the fuel trim is too rich, then the P2097 code is set. A Check Engine Light will accompany the P2097 code as well as a failsafe mode. The failsafe mode will remain until normal operation is found or the fault is resolved.