Symptoms of a Faulty Turbocharger - What to Check Before the Workshop
How to recognise turbocharger problems, what to safely check yourself and what to expect during professional diagnostics. When to stop driving and go to the workshop.
eCarService · Driver Academy
Car care guides for drivers
Learn what a warning light or worrying symptom may mean, what you can check safely and when you should stop driving.
Symptoms and possible causes Step-by-step diagnostics Practical driver knowledge
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guides to help you prepare for a conversation with a workshop.
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Learn the possible cause of a symptom
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Topics:Engine and ancillaries repairCheck engine light after refuellingComputer diagnosticsVibrations at speed - wheels and tyresEngine and ancillariesStarting problems when engine is warmADAS and driver assistance systemsBrakesPreparing for long-term storageOil and maintenanceTransmission and drivelineBrake serviceAir conditioning and cooling serviceGearbox and drivetrainAir conditioning and coolingEngine oil consumptionOil service and maintenanceEngine and accessoriesDiagnostykaBrakes and safetyEngine and emissionsEngine and exhaust emissionsEngine and coolingSuspension and wheelsEngine and electricsSuspension and geometryTransmission and drivetrainOperation and safetyDriving safetyAir conditioningDiagnostics and electronicsSuspension and alignment
Latest guides
Knowledge that helps you understand your car
Learn about the possible causes first. Choose a location once you are ready to book a visit.
Check engine light comes on after refuelling - what to check
The check engine light comes on right after refuelling. Most often this is an EVAP system issue, but there can be several causes. We explain possible reasons, what you can safely check yourself and how professional diagnostics proceed.
Computer diagnostics7 min
Symptoms after ECU software update - what to check
After an ECU update new error codes, loss of functions or communication issues can appear. This article explains typical symptoms, possible causes, what to check before a garage visit and how professional diagnostics proceed.
Vibrations at 80-120 km/h despite good tread
Vibrations in a narrow speed range often do not come from the tread alone. Read about typical causes, how a workshop will diagnose them and when to stop driving.
Engine takes a long time to warm up - what to check before the workshop
The temperature gauge stays below normal for a long time or the cabin heats up slowly. Check the symptoms, common cause groups and what the workshop will do during diagnostics.
Computer diagnostics8 min
Car changed behaviour after battery replacement - what to check
After a battery replacement the car may change behaviour due to loss of adaptations and lack of battery registration. What to check before a workshop visit and when to stop driving.
Car won't start when warm - what to check before the garage
Problems with starting only when the engine is warm have a few typical causes. This article helps recognise symptoms, collect useful observations and decide if you can drive to the workshop.
Computer diagnostics7 min
Indicators acting up after bulb change - what to check
Sudden rapid flashing, sidelights going out or random flashes after a bulb change is a common issue. We explain causes, quick checks for the driver and how professional diagnostics proceed.
AEB and adaptive cruise acting up - is it a sensor problem?
False braking, failure to detect vehicles or intermittent ACC often relate to the camera, radar or ADAS module calibration. What to check yourself and how professional diagnostics look.
Brakes6 min
Brakes overheating after a long descent - when to act
Brake overheating after a long descent signals possible damage or malfunction. Learn how to recognise symptoms, when to stop driving and what to expect from professional diagnostics.
How to prepare your car for long-term storage
A practical step-by-step guide on what to check before putting a car away for a week, a month or longer. Protect fuel, battery, fluid systems, tyres, brakes, air conditioning and bodywork, plus a checklist for after storage.
Oil and maintenance7 min
Metal flakes in engine oil - what do they mean?
Metal flakes in oil can be normal wear or a sign of a serious fault. The article explains causes, when to stop driving and how workshop diagnostics proceed.
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