An engine repair expert explained the dangers of driving at low speeds and low engine speeds

Many drivers are convinced that driving at low speeds and low engine speeds is the best solution to save fuel. However, this driving style can lead to unexpected additional costs. An engine repair expert explained why such driving is harmful to internal combustion engines.

In big cities with constant traffic jams, it is rarely possible to rev up the engine. But sometimes, even in urban conditions, you have to accelerate suddenly. In such a sudden operation mode, during acceleration, the cylinders are filled with a rich fuel mixture, which provokes more detonation.

Modern engines can cope with this problem by adjusting the algorithm of the ignition system, but in this case the fuel does not burn completely, which leads to the formation of soot and clogging of the nozzles.

The consequences of detonation can be disastrous not only for the engine itself, but also for the most important components – the gearbox and the clutch. Pistons and crankshaft liners are usually the first to suffer.

Also, engine speed directly affects the pressure generated by the oil pump. At low RPM, this pressure is reduced, which naturally reduces the lubrication of the engine’s internals. Oil “starvation” has a negative effect on the engine, accelerating its wear.