Generally, this condition results from the use of fuel that does not have sufficient detergent additives or from frequent city driving.

通常，这种情况的起因是由于使用的燃料没有加入足够的清洁添加剂或经常在城市中驾驶。

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Generally, this condition results from the use of fuel that does not have sufficient detergent additives or from frequent city driving.

通常，这种情况的起因是由于使用的燃料没有加入足够的清洁添加剂或经常在城市中驾驶。

youdao