2007 MAZDA MAZDA5 Engine And Engine Cooling Problems

I was driving my Mazda 5 2007 in traffic when suddenly it burst into flames on the passenger side underneath the hood

WE PURCHASED OUR 2007, MAZDA 5 NEW IN JAN. 2007 FROM A LOCAL DEALERSHIP. AT A LITTLE OVER 9,000 MILES THE CAR BEGAN TO HESITATE AND WE RETURNED TO THE DEALERSHIP FOR THE FIRST SERVICE TO "FIX" THE PROBLEM. TO FAST FORWARD, HERE WE ARE DEC. 31ST, 2011 AND NOW WE ARE DEALING WITH NOT ONLY HESITATION AND STALLING, BUT NOW THE CAR ACTUALLY "BUCKS" WHILE DRIVING IT ONLY ADDING TO THE DANGERS OF DRIVING IT. THIS IS A WELL DOCUMENTED PROBLEM AS WE HAVE CONTINUED TO RETURN IT THE SAME DEALERSHIP EACH TIME ONLY TO BE TOLD IT WAS "FIXED". THIS HAS BECOME A SAFETY CONCERN, AND A FINANCIAL WOE. WHY THE LACK OF CONCERN BY MAZDA AND OTHER AGENCIES THAT KNOW OF THIS PROBLEM BUT HAVE NOT MADE MAZDA ADMIT THE PROBLEM AND RECALL THESE CARS BEFORE SOMEONE IS KILLED. NOT EVERYONE IS IN THE POSITION TO JUST...