FixVault

System Check

  1. Check control lever position during engine starting and operation. Control lever should move smoothly to each position as ignition key position is changed. See Fig 1 .
    Fig 1: Injection Pump Control Lever Positions
    G34612
  2. Start engine. Unplug oil pressure switch connector and ground to engine. Control lever should move to stop position. If not, check control unit and controller.
    Fig 2: Testing Glow Plug Control Unit
    G35636
    Fig 3: Glow Plug System Wiring Diagram
    G35637