#economy
5 posts in Car Diagnostics blog about "economy" — OBD-II diagnostics, DTC codes, repair. ← All posts
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Cruise control: when it helps and when it gets in the way
Cruise saves fuel on level motorways and wastes it in hills. The modes, the adaptive version, and its limits.
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Engine braking: economy, component life, and the limits of the technique
Engine braking saves fuel and brakes but does not replace them. How it works and where its usefulness ends.
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Fuel economy myths: seven tips that do not work
Some popular economy advice achieves nothing and some works in reverse. Seven of the most common, with the mechanics explained.
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Fuel economy: what actually works and what is a myth
Most economy tips deliver nothing or make things worse. What genuinely affects consumption, in order of payback.
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Fuel consumption is up: telling normal variation from a real fault in ten minutes
Consumption depends on season, driving style, and route — and those three explain up to 30 % of the difference. How to filter out normal variation, and the three parameters that answer the question.