Home/Opel/Calibra/Opel Calibra I (1990-1997)/Repair manual/Fuel Injection Systems/Table 2 - Trouble Code Table: Trouble Code 44
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Table 2 - Trouble Code Table: Trouble Code 44 Opel Calibra I

TroubleInformation SensorRemedy inTrouble Code Storage when ...
CodeCause of FaultF0:DATA LIST
Test Step
44Oxygen sensor24· Oxygen sensor voltage < 0.38 V
· Over a period of time longer than 1 s
LEAN EXHAUST
The fault is stored and the replacement value called up only if
1)Coolant temperature > 70° C/158 °F (condition 1)
2)Fault recognized for longer than 3 min, after condition 1 has been
fulfilled (condition 2)
· Load signal tL > 3.5 ms (condition 3)
· Conditions 1 to 3 satisfied simultaneously for t > 5.2 s
· No storage of trouble codes 73 and 74
If trouble code 44 is stored, the electronics switches
to open loop (replacement voltage approx. 450 mV)