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Car won’t start but the starter turns: causes and solutions

22 August 2026
Guides and Diagnostics
Posted by MasterTuning
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The starter turns but the car will not start: causes on diesel and petrol (fuel, immobiliser, crank sensor, glow plugs) and MasterTuning diagnosis.

Sudden increase in fuel consumption: why and what to check

22 August 2026
Guides and Diagnostics
Posted by MasterTuning
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The car uses more fuel: mechanical and electronic causes of increased consumption (lambda sensor, injectors, DPF, tyres) and MasterTuning checks.

Limp mode: what it is and how to get out of it

22 August 2026
Guides and Diagnostics
Posted by MasterTuning
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Car in limp mode: what it means, which faults trigger it and how it is really fixed. Professional diagnosis by MasterTuning.

Sudden loss of power: the most common causes

22 August 2026
Guides and Diagnostics
Posted by MasterTuning
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The car has no pull any more: causes of sudden loss of power on diesel and petrol (turbo, DPF, injection, sensors) and MasterTuning diagnosis.

Blue smoke from the exhaust: the engine is burning oil

22 August 2026
Guides and Diagnostics
Posted by MasterTuning
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Blue smoke from the exhaust: it means oil in the combustion chamber. Causes (valve guides, piston rings, turbo) and how to gauge the severity. MasterTuning.

Black smoke from the exhaust: causes on diesel and petrol

22 August 2026
Guides and Diagnostics
Posted by MasterTuning
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Black smoke from the exhaust: mixture too rich. Causes (injectors, MAF, turbo, EGR) and practical solutions. MasterTuning diagnosis throughout Italy.

White smoke from the exhaust: causes and when to worry

22 August 2026
Guides and Diagnostics
Posted by MasterTuning
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White smoke from the exhaust: the difference between harmless vapour and burnt coolant. Causes, associated symptoms and MasterTuning diagnosis.

DPF regeneration in progress: what to do and what not to do

22 August 2026
Guides and Diagnostics
Posted by MasterTuning
Comments Off on DPF regeneration in progress: what to do and what not to do

DPF/FAP regeneration in progress: how to recognise it, how long it takes, why it must not be interrupted and what happens if you switch off the engine. MasterTuning.