Possible Causes
| Possible Causes |
|---|
| (K42) KS SIGNAL 1 CIRCUIT SHORTED TO VOLTAGE |
| (K42) KS SIGNAL 1 CIRCUIT OPEN |
| (K942) KS RETURN 1 CIRCUIT OPEN |
| (K42) KS SIGNAL 1 CIRCUIT SHORTED TO THE (K942) KS RETURN 1 CIRCUIT |
| (K42) KS SIGNAL 1 CIRCUIT SHORTED TO GROUND |
| KNOCK SENSOR |
| PCM |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .