Timing belt or chain: what actually matters when buying and servicing
A "lifetime" chain is marketing, not a fact. Real service life, the signs of stretch, the cost of getting it wrong, and what diagnostics shows.
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Blog
A hum at speed: bearing, tyres, or driveshaft — how to tell them apart
A hum that rises with speed comes from three different components. How to separate them on the road without a ramp, and why ABS sometimes finds it before your ear does.
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Will not start in the cold: five causes in the order you should check them
Frost does not create new faults — it finishes off the ones already marginal. Diagnosis by symptom: does not crank, cranks without catching, catches then stalls. Each leads somewhere different.
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Diesel or petrol: an honest comparison by cost of ownership, not advertising
The question is decided by your route, not by fuel consumption. A diesel on short urban trips costs more to own than a petrol — and that is exactly where the fuel saving falls apart.
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Choosing engine oil: why the approval matters more than viscosity or brand
A bottle carries three groups of markings and they are not equivalent. Viscosity says how the oil flows. The approval says whether it suits your engine. Confusing them costs a particulate filter or a cam phaser.
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Fuses and relays: the five-minute check that saves a workshop visit
Half of all "complex electrical faults" are a blown fuse costing pennies. How to read them, why a fuse never blows for no reason, and what to do when a new one blows immediately.
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High-mileage cars: what actually matters and what no longer does
Two hundred thousand miles is neither a death sentence nor a guarantee of trouble. Which components decide a car's fate at that mileage, what you can stop worrying about, and why service history beats the odometer figure.
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HVO diesel: what this fuel is and whether you can put it in your engine
Pumps increasingly carry an HVO or XTL marking. It looks like diesel, costs differently, and behaves slightly differently in an engine. What it is, who it suits, and what changes in the data.
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Reading spark plugs: what the deposits tell you about the cylinder
A spark plug spends tens of thousands of miles inside a cylinder and brings out a report on everything that happened there. Reading the colours and deposits — and why plugs must be compared against each other.
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Ex-taxi and car-sharing vehicles: how to spot one and what it means for a buyer
Taxi mileage wears a car differently from private use: more engine hours per mile, more cycles, less warm running. The signs, and which components suffer first.
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After a minor collision: what to check even when it is "just a scratch"
An impact that did not deploy the airbags looks harmless. But bumper sensors, the radar, and the restraints module may have suffered — and it will surface weeks later, when the link to the accident is no longer obvious.
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Aftermarket accessories: why the car started misbehaving after the dash cam went in
Dash cams, alarms, seat heaters, and audio are the most common cause of electrical faults that then get hunted for weeks inside factory systems. How they cause damage and how to avoid it.
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