Possible Cause

NOTE:  The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.

• PGM-FI main relay 1 failure
• Fuse blown
• PGM-FI main relay 1 IGP1 line open
• PGM-FI main relay 1 FI MAIN RLY CL- line open
• PCM internal circuit failure