Mitsubishi Pajero Glow Plug Control Unit ECU Repair – MC899777

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Price Exclusive of GST

Our minimum assessment fee is $150 + GST (Excluding Headlights). This just covers the time to check the unit over. If you proceed with the repair, we’ll apply this to the total cost. Our full terms of trade can be found here. Has repair work been attempted by your customer? Link here !

Heavy Diesel or Industrial Repair you need? Link here for a solution!

International Customers:
When sending a unit from overseas, please declare it as “Repair and Return” with a low customs value (around $100 USD) to avoid unnecessary import fees. - All Repair Prices are quoted in NZD

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.