P1197 DODGE Possible Causes
- Faulty heated oxygen sensor, bank 1 sensor 1
- Very lean air/fuel ratio (intake leak)
- Very rich air/fuel ratio (injector leak or faulty mass air flow sensor)
How to Fix P1197 DODGE Code?
Start by checking the “possible causes” listed above. Visually inspect the corresponding wiring harness and connectors. Look for damaged components and check for broken, bent, pushed out, or corroded connector pins.
Possible Symptoms
- Check engine light on (or service engine soon warning light)
P1197 DODGE Meaning
The Powertrain Control Module (PCM) monitors the heated oxygen sensor, bank 1, sensor 1. The PCM sets the Diagnostic Trouble Code (DTC) when the heated oxygen sensor, bank 1, sensor 1 does not meet factory specifications. The oxygen sensor has a slow response during the test period