During March 2007 in Finland, at least six fuel flare-ups occurred while refueling Volvo 440 or 460 automobiles manufactured between 1993 and 1995. Finland’s Safety Technology Authority (TUKES) has now cracked the mystery.
The flare-ups were caused by the structure of the Volvos. Since their refueling pipes and fuel tanks are insulated, fuel running through the pipe to the tank cannot adequately discharge static electricity. This leads to a difference of voltage between the fuel meter pistol and the automobile frame, which in turn may lead to sparks igniting the fuel. Dry weather and a non-conductive ground, such as asphalt, may increase the risk of flare-ups.
TUKES has informed Volvoabout the problem.
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