Dodge DTC P1197 – 1/2 O2 Sensor Slow During Catalyst Monitor
DTC P1197 meaning on Dodge
- DTC: P1197
- Description: 1/2 O2 Sensor Slow During Catalyst Monitor
- Meaning: This diagnostic trouble code (DTC) indicates that the oxygen sensor located after the catalytic converter on bank 1, sensor 2, is responding slowly during the catalyst monitoring process.
Dodge DTC P1197 symptoms
- Check Engine Light (CEL) illuminated
- Poor fuel economy
- Reduced engine performance
Dodge DTC P1197 causes
- Faulty oxygen sensor (bank 1, sensor 2)
- Wiring or connector issues in the oxygen sensor circuit
- Catalytic converter inefficiency
- Exhaust leaks
Dodge DTC P1197 seriousness
The seriousness of DTC P1197 lies in its potential to affect engine performance, fuel efficiency, and emissions. Ignoring this code can lead to further damage to the catalytic converter and other engine components.
How to diagnose DTC P1197 on Dodge
- Use a scan tool to retrieve the DTC and freeze frame data
- Inspect the oxygen sensor wiring and connectors for damage or corrosion
- Check for exhaust leaks near the oxygen sensor
- Perform a visual inspection of the catalytic converter for physical damage
How to fix DTC P1197 on Dodge
- Replace the faulty oxygen sensor (bank 1, sensor 2)
- Repair any damaged wiring or connectors in the oxygen sensor circuit
- Address any exhaust leaks and repair as necessary
- If the catalytic converter is faulty, replace it
How to erase DTC P1197 on Dodge
To clear the DTC P1197 from the vehicle’s memory, you can use a scan tool to reset the Check Engine Light. Ensure that the underlying issue causing the code has been addressed before clearing the code.
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