Multec-M (14 SE / C 14 SE / C 16 SE) F2: TROUBLE CODE
| Trouble Code | Information Sensor Cause of Fault | Remedy in F0:DATA LIST No. | Trouble Code Storage when ... |
|---|---|---|---|
| 13 | O2 SENSOR OPEN CIRCUIT | 17,18,19 | · Engine running for at least 40 s |
· Coolant temperature higher than 75 °C/167 °F
· Throttle valve aperture greater than 0 %
· Following trouble codes not stored: 21,22
· The fault is recognized by the control unit if the oxygen sensor voltage is in the range 350 to 550 mV for longer than 20 s
(lead interruption, oxygen sensor defective).
If trouble code 13 was recognized, the control unit takes 450 mV as replacement voltage
(oxygen sensor control switched off).
Note:
If the oxygen sensor is wrapped in aluminium foil, remove the foil. Then delete trouble code. If trouble code is set again, start trouble-shooting.