Precision repair for
diesel pumps, injectors
& turbochargers
Express Diesel Turbo Services tests, repairs and calibrates fuel injection systems and turbochargers for cars, commercial vehicles, marine and agricultural engines — with free pickup & drop-off across Doha.
Fuel Systems & Forced Induction, Done to Calibration Spec
Every unit is tested and calibrated on dedicated test benches before it goes back on the vehicle.
Fuel Injection Pump Repair
Common rail, mechanical/inline and rotary/distributor pumps — diagnosed, rebuilt and calibrated.
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Diesel Injector Services
Common rail, HEUI, mechanical and EUI injectors, cleaned, tested and re-calibrated for accurate delivery.
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Turbocharger Repair
Car, commercial, marine and agricultural turbo rebuilds, VNT balancing and boost diagnostics.
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Petrol & GDI Injector Service
Ultrasonic cleaning, high-pressure flow-testing and repair for petrol direct-injection systems.
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Radiator & Intercooler Service
Pressure testing, core flush, aluminum welding and re-coring for heavy duty radiators and intercoolers.
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Alternator & Starter Motor Repair
Full bench diagnostics, coil rewinding, solenoid testing and overhaul for heavy vehicle electricals.
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Engineered precision, bench-verified diagnostics, and fast pickup turnaround across Doha.
Fault Confirmed Before You Pay
Bench testing identifies the actual fault first, so you're not paying to replace a unit that could be repaired.
OEM-Standard Parts
New pumps and injectors sourced to the exact specification of your engine, for reliable long-term performance.
Free Pickup & Drop-off
We collect and return your vehicle or unit across Doha at no extra cost, minimising your downtime.
Start From The Symptom, We'll Narrow Down The Cause
Full guides live in Resources — here's the quick version.
White Smoke
Often coolant entering the combustion chamber — head gasket or injector seal.
- Head Gasket Leakage
- Injector Seal Inspection
- Coolant Chamber Pass
Blue Smoke
Usually the engine burning oil — worn seals, rings or a failing turbo.
- Engine Oil Burning
- Worn Piston Rings / Valve Seals
- Failing Turbocharger Seals
Black Smoke
A too-rich fuel mixture — commonly a pump, injector or boost issue.
- Rich Fuel Mixture Fault
- Fuel Pump Calibration
- Injector & Boost Diagnostics
Trained & Equipped For Leading Global Systems
Original bench specifications and calibration protocols for all major fuel injection and turbocharger manufacturers.
Bosch
Common Rail & VP PumpsDenso
Japanese Injectors & ECDDelphi
EUI, EUP & Common RailCAT HEUI
Heavy Hydraulics FuelZexel
Mechanical Inline PumpsGarrett
VNT & Performance TurbosBorgWarner
Twin Turbo & CommercialHolset
Marine & Heavy DutyFeel Free To Ask Us Anything For Diesel & Turbo Servicing
When you bring your vehicle or fuel system component to Express Diesel Turbo Services, you can rest easy knowing that your equipment is in professional hands. We take every possible step to ensure that your diagnostic and repair experience with us is seamless, accurate and efficient.
Get your fuel system or turbo diagnosed today
Bench-verified diagnostics, OEM calibration spec, and fast pickup turnaround across all Doha zones.