Mechanical repair · Heavy-duty diesel expertise

Find engine diagnosis and repair for commercial vehicles.

From fuel-delivery faults to overheating and internal engine concerns, describe the events leading to the stop and avoid repeated starting if it may worsen damage.

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HGV247 adds no commission or consumer fee. Confirm attendance, ETA and pricing with the provider you choose.

When this service may help

  • Engine cranks but will not start
  • Knock, misfire or heavy smoke
  • Loss of power
  • Oil, coolant or fuel leak

Preserve useful evidence

Photograph warnings and fluid beneath the vehicle from a safe position. Record whether the engine stopped by itself, temperatures, recent refuelling and any work completed.

Avoid turning damage into failure

Do not continue running an engine with low oil pressure, severe overheating, abnormal mechanical noise or significant fluid loss unless a competent technician specifically directs it.

Searches people run for this

HGV engine repair near me · mobile diesel mechanic HGV · truck engine breakdown

Frequently asked questions

Can major engine repairs be done roadside?

Roadside work is usually limited by safety, cleanliness, lifting and parts. Diagnosis or a minor external repair may be possible; major work normally needs a workshop.

What engine information should I provide?

Vehicle make, model, year, engine if known, mileage, warnings, symptoms and recent repair history.

Read before you call

Guides for engine repair

All guides

Diagnostics · 9 min

HGV AdBlue, SCR and DPF warnings: a practical response guide

Capture the countdown and operating conditions, avoid illegal workarounds, and get the vehicle to a technician with compatible diagnostics before it derates.

Read guide

Diagnostics · 9 min

HGV DPF regeneration and blockages: warning stages, forced regens, cleaning and replacement

Soot burns off, ash does not. Understand the three kinds of regeneration, the warning ladder on the dash, and how to keep a filter out of the workshop.

Read guide

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Engine repair around major UK freight hubs

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