OUR BUICK HAD BEEN RUNNING FINE, BUT WENT TO MOVE IT ONE MORNING. WITH A COLD ENGINE, AS SOON AS WE HIT THE STARTER, THE ENGINE EXPLODED VERY LOUDLY AND STARTED BURNING. AFTER THE FIRE WAS PUT OUT, IT WAS DETERMINED THAT THE ENTIRE INTAKE MANIFOLD, ALONG WITH THE FUEL LINES HAD EXPLODED IN MANY PIECES. FROM INTERNET RESEARCH, IT WAS FOUND THAT THE FUEL PRESSURE REGULATOR HAD A RECALL FOR VEHICLE YEARS '98-'00, WHICH THESE MODELS HAD THE SAME CONDITION. HAD I HAD THE HOOD OPEN AT THE TIME, I'D PROBABLY BEEN HURT BY FLYING CHUNKS FROM THE INTAKE MANIFOLD. THIS IS A VERY DANGEROUS CONDITION WHICH COULD HAVE EASILY CAUSED BODILY HARM, EVEN FROM FIRE TO THE PASSENGERS INSIDE.