ScrapTrak advice · Vehicle condition
Engine Fault or Gearbox Failure? Describe Your Car Without Guessing
You do not need to diagnose a car before asking about selling or scrapping it. A useful enquiry separates what you noticed, what a garage confirmed, and what nobody has checked yet.
“The car stopped and has not been restarted” gives a buyer a clear starting point. “It only needs a sensor” can suggest a certainty you do not have. A careful description helps the team understand the current condition and ask the right follow-up questions.
Start with safety, then write down the facts
If the problem has just happened on the road, deal with your immediate safety and recovery first. Follow the Highway Code’s breakdown guidance for your situation. Gathering photographs or composing a sale enquiry can wait.
Once the vehicle is safely parked, work from what you already know. Do not restart it, drive it or repeatedly select gears just to produce a better description. Follow the car’s handbook and any instructions already given by the recovery team or garage.
Write down roughly when the problem began and whether it happened during a journey, when starting, or after a period parked. Say whether the car was driven afterwards, recovered, or left where it stopped. Dates can be approximate if you label them that way.
Describe what happened in ordinary language
Use your own words rather than choosing a mechanical label from an internet search. “A clicking sound when I last tried to start it” and “the engine was running but the car did not move” describe different observations without claiming a cause.
- Starting: what happened on the last attempt? Say if you have not tried since the breakdown.
- Running: did it continue running, stop, or run unevenly when last used?
- Movement: did it move normally, hesitate or stop moving? Identify whether it is manual or automatic if known.
- Other observations: note a sound, smell, visible leak or smoke you actually noticed, including when it occurred.
- Current state: say where it is parked and what has changed since that observation.
Describe a visible fluid mark by its location and appearance if you do not know what it is. Do not crawl underneath or touch hot or damaged components to identify it. “Not checked” is useful information.
Record warning messages without interpreting them
Copy the displayed wording if you have it, or use an existing clear photograph. Note whether the light was steady or flashing and when it appeared, if you remember. Keep a dashboard message separate from your own explanation of what caused it.
Look up the message in the handbook for the exact model. For example, Volvo’s V60 warning-symbol guidance gives different instructions for different warnings, including reading accompanying messages and seeking workshop help. A symbol’s colour alone is not a complete instruction for every vehicle.
If a garage supplied a diagnostic code, send it with the report’s wording. Do not turn a code or an online explanation into a confirmed failed part. You can say, “Code recorded; cause not yet confirmed.”
Keep the garage’s findings distinct from a suggestion
Provide the relevant written assessment, estimate or invoice if you have one. Explain who checked the car, when, what they found and whether any repair was completed. Keep phrases such as “suspected” or “further investigation required” when summarising the report.
A repair estimate is not evidence that the repair has been done. Likewise, replacing one part does not establish that every reported fault has been resolved. Say what happened afterwards only if you know.
If you are still deciding whether to repair or dispose of the car, our scrap-or-repair guide covers that separate decision. This checklist helps you present the evidence whichever option you explore.
Explain the collection situation separately
Give the collection postcode, whether keys are available and whether the car is on a drive, in a garage or elsewhere. Report any already-known problem with rolling, steering, tyres or access. Do not assume that an engine which starts makes the vehicle straightforward to load.
For an automatic left in Park, state that and whether its release procedure is unknown. Do not force a selector or attempt a release to answer the enquiry. The team can ask for the information needed to assess collection; our non-runner collection page explains the service.
A short message you can adapt
Example only: “My car is an automatic. Last Tuesday the engine was running but the car stopped moving. A warning message appeared, but I did not photograph it. It was recovered to my drive and has not been restarted. No garage diagnosis yet. The keys are available; I do not know whether it can roll. There is a narrow gate at the entrance.”
Add the registration, collection postcode and any relevant report. Keep unknowns visible, and update the team if the car’s condition changes before collection. There is no need to guess the fault or a repair price to start the conversation.