From the bloggers at Outside Our Bubble
As you may know, but if you do not here you go, one of the larger causes of coach fires is the engine. You would think in this day and age that engines would not be such an issue. After all, our cars are not just starting on fire out of nowhere for the most part. But for some reason, looking over photos and videos on-line of coach and bus fires, it sure does seem that the fires start in the rear engine compartment.
The biggest cause of this is the high-pressure fuel lines that can rupture or leak and then you have fuel coming out at a high rate of speed that can come out as a vapor. If that hits the heat of the exhaust system that could be currently purging the emissions system, poof! Fire erupts and in an RV or coach WILL spread VERY quickly.
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