LEMON Manuals
: Even more car manuals for everyone: 1960-2025
Home
>>
Cadillac
>>
1989
>>
Allante 440T4/ME9
>>
Repair and Diagnosis
>>
Engine Performance
>>
System
>>
Self-Diagnostics
>>
Diagnostic Tests
>>
ECM DTC EO17: Left O2 Sensor Not Ready
>>
Failure Conditions
April 5, 2026:
LEMON Manuals is launched!
Read the announcement.
Failure Conditions
Oxygen sensor voltage stays between 0.307 and 0.609 volts for more than 64 seconds.