Possible Causes
| Possible Causes |
| INTERMITTENT DTC |
| (K141) O2 1/2 SIGNAL CIRCUIT SHORTED TO GROUND |
| (K904) O2 RETURN (DOWN) CIRCUIT SHORTED TO GROUND |
| (K141) O2 1/2 SIGNAL CIRCUIT SHORTED TO THE (K904) O2 RETURN (DOWN) CIRCUIT |
| 1/2 OXYGEN SENSOR |
| POWERTRAIN CONTROL MODULE (PCM) |
Perform *PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE
.