Motronic M 2.8.1 F2: TROUBLE CODE TABLE
| Trouble Code | Information Sensor |
|---|---|
| Cause of Fault | Remedy in |
F0: DATA LIST
| No. | Trouble Code Storage when... |
44
| O2 SENSOR 1 |
LEAN EXHAUST
| 45, 47, 51, 53, 55 |
|---|
| · Oxygen sensor integrator (internal control unit value for evaluation of |
oxygen sensor control) has exceeded upper limit of 1.2
(mixture constantly too lean)
Thereafter for at least 15 s:
· Coolant temperature less than 107 °C / 225 °F
· Intake air temperature lower than 30 °C / 86 °F
· Trouble codes 73 and 74 not recognized
· Engine load signal greater than 0.8 ms (X 25 XE) or 0.9 ms (X 30 XE)