Mitsubishi Pajero Glow Plug Control Unit ECU Repair – MC899777

Mitsubishi Pajero Glow Plug Control Unit ECU Repair – MC899777

Glow Plug Timer Fault | No Pre-Heat | Starting Issues

This is a repair service for the glow plug control ECU (timer unit) with part number MC899777, commonly found in Mitsubishi Pajero diesel models. These units often fail due to internal relay or transistor damage, leading to hard starting, no glow plug activation, or continuous heating.

Common Symptoms Repaired:

• Engine hard to start in cold conditions

• No voltage at glow plugs

• Glow plug light doesn’t come on or stays on too long

• Relay clicks but glow plugs not activated

• Diagnostic fault codes related to pre-heating system

What We Do:

• Open and inspect the internal control circuitry

• Repair or replace damaged power transistors, relays, and timing components

• Verify output voltage and timing sequence

• Final bench test with simulated engine start conditions

Applies To:

• Mitsubishi Pajero models using Glow Plug ECU MC899777

• Also compatible with other Mitsubishi diesel platforms (please confirm part number)

Turnaround Time: 2–3 business days
Warranty: 12 months on all repaired components

💡 Restore reliable cold starting by professionally repairing your original glow plug timer — tested, sealed, and ready to refit.