FixVault

No Codes Present, DRIVEABILITY Complaint Still Present

  1. If no codes are present but driveability complaint is still present, go to TESTS W/O CODES article in this section.
  2. Also check fuel system pressure. See I - SYS/COMP TESTS article in this section.
  3. Circuit voltages may also be checked at the computer. See J - PIN VOLTAGES CHARTS article.
NOTE: To check voltages at ECU pin connectors, see J - PIN VOLTAGES CHARTS article in this section. For more testing information, see I - SYS/COMP TESTS article in this section.