Car Diagnostics in Holne

Holne is a Dartmoor village of narrow lanes, moorland roads, steep hills and cattle grids on the edge of the National Park. Vibration, damp and temperature swings can all aggravate electrical weaknesses in a car.

Automaster, at Longcombe Cross near Totnes, carries out diagnostics and auto electrical work for drivers from Holne and the villages and towns around it, including Buckfastleigh, Buckfast, Dartington and South Brent. We work on petrol and diesel cars and vans.

Why do electrical faults appear after rough moorland roads?

Cattle grids and rutted lanes shake a car, and over time that can loosen connectors, chafe wiring and work the terminals on a battery. A fault that appears over a bump and vanishes on smooth tarmac is a classic sign of a connection problem.

We check wiring and plugs methodically, because these faults rarely announce themselves in a fault code.

Mention any recent work on the car, a jump start or a replaced battery. That history often shortcuts the search and saves testing time, which in turn keeps the job simpler. Photos of any warning lights are useful too, because they show exactly which symbol appeared.

What does a scan show on a car with a warning light?

The scan lists stored fault codes. Each one points towards a circuit or system such as a sensor, an actuator or a signal line. It is a lead, not a verdict.

From there we measure, test and inspect to confirm whether the fault is in the component, the wiring or elsewhere. That avoids replacing a sensor that was never the problem.

Is it safe to carry on over the moor with a light showing?

Not if it is red. Stopping in a safe place is far better than a breakdown on an exposed road. Oil pressure, temperature, brake and charging warnings all fall into that group.

Amber warnings allow more flexibility, but a flashing engine light means a possible misfire, so reduce speed and head for a garage.

• Red warning: stop
• Flashing engine light: ease off
• Steady amber: arrange a check

Batteries, alternators and starter motors in hilly country

Steep hills demand a lot from the charging system, especially with headlights, heaters and wipers running together. A tired alternator or battery can show itself as dim lights, a warning light or hesitant starting.

We test each part and replace what has failed. The time involved depends on how accessible the part is on your car.

Do you cover Holne, and what should I tell you?

Yes. Our garage is at Longcombe Cross, Longcombe, Totnes TQ9 6PL, and Holne drivers come to us along with those from Buckfastleigh, Buckfast, Dartington and South Brent.

When you ask for a quote, say what the car does, when it does it and whether the fault is linked to bumps, wet weather or cold starts.