What Causes Intermittent Power Loss in a Haval H6 While Driving?

1 Answers
DeMiranda
07/29/25 11:18pm
It may be due to issues with the car's engine, or problems with the fuel supply system and ignition system affecting performance. Engine power reduction could also be caused by carbon buildup in the engine. Carbon deposits in the engine can include various types, such as cylinder carbon deposits, throttle carbon deposits, spark plug carbon deposits, and intake carbon deposits, all of which can impact engine power. Below are detailed explanations: 1. When there is excessive carbon buildup inside the engine, the car's ignition system may become misaligned, the engine's air intake efficiency decreases, ultimately leading to a reduction in engine power. The car may exhibit symptoms like weak idling, and in severe cases, it may even shake. 2. Fuel system malfunctions can occur if the car is filled with low-quality gasoline, leading to a decrease in engine power. If the car's fuel requirement is 95 octane, then 95 octane gasoline must be used, as this is the minimum fuel standard for the car. Another possible cause is a blocked fuel tank vent, which can restrict fuel supply, resulting in an overly lean air-fuel mixture in the engine and reduced engine efficiency. 3. Insufficient engine oil or insufficient engine coolant can increase the engine's load, impairing its cooling efficiency, not only reducing engine power but also increasing the car's fuel consumption.
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