P1178 MINI Possible Causes
- Faulty O2 sensor
- O2 sensor harness is open or shorted
- Poor electrical connection in O2 sensor circuit
How to Fix P1178 MINI 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
- Engine light on (or service engine soon warning light)
P1178 MINI Meaning
Slow switching of O2 sensor signal circuit from rich to lean, sensor 1 bank 1 is the generic description for P1178 Mini code, but the manufacturer may have a different description for your vehicle model and year. Currently, we have no further information about the P1178 Mini OBDII code.