LEMON Manuals
: Even more car manuals for everyone: 1960-2025
Home
>>
Alfa Romeo
>>
2017
>>
Giulia Base, AWD
>>
Repair and Diagnosis
>>
Engine Performance
>>
System
>>
2.0L - DTCS P0112-00 To P024B-00
>>
DTC Troubleshooting
>>
P0140-00-O2 Sensor 1-2 Signal Inactive
>>
Set Condition
April 5, 2026:
LEMON Manuals is launched!
Read the announcement.
Set Condition
The Powertrain Control Module (PCM) detects that the O2 signal voltage does not switch lean or rich during monitoring for at least 150 seconds.