Check FLS
- Ignition "OFF"
- Disconnect FLS connector
- Check resistance between terminals "5" and "6" of FLS connector when fuel is added or subtracted.
- Is the FLS normal?
YES
- Substitute with a known-good PCM and check for proper operation. If the problem is corrected, replace PCM and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.
NO
- Substitute with a known-good FLS and check for proper operation. If the problem is corrected, replace FLS and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.