Isuzu 3CE1UGZG1 Engine

• Unit will not crank using the Run option on the controller
  Cause: Fuse(s) blown Defective Controller Loose or dirty battery terminals Defective starter Defective start solenoid Low/dead battery Locked up engine generator set Defective fuel solenoid Defective safety latching relay or pass by switch
• Tower will not raise
  Cause: No DC power to hydraulic pump Hydraulic pump defective Hose leaking hydraulic oil Blown fuse on control panel
• No output from AC generator
  Cause: Insufficient fuel volume getting to the unit 1. Too small of fuel line 2. Fuel racks not open properly Governor is defective AC short in generator components
• Lights will not come on
  Cause: Lamps are not plugged in Light switch defective Circuit breaker tripped or off Defective transformer Defective capacitor
• Engine starts, then stops
  Cause: Engine oil pressure is low Engine has high water temperature Engine has overspeed Engine has gone into overcrank No output from AC generator Loss of speed signal Loss of run signal Engine will not come up to speed after it starts
• Engine cranks but will not start
  Cause: Improper fuel delivery to the unit Fuel supply shut off Fuel tank empty Air in the fuel system Engine fuel solenoid has not opened Defective fuel pump Defective fuel solenoid Defective engine harness Improper battery voltage to fuel pump or fuel solenoid Fuel filter dirty Low voltage from battery to fuel solenoid

Compiled from service & troubleshooting documentation across every generator set that uses the Isuzu 3CE1UGZG1.

Pooled from every document that names this exact engine — confirm the interval and part number against your unit's serial number.