2002 CHRYSLER SEBRING SEDAN Engine And Engine Cooling Problems

I HAD OVER $968.00 OF REPAIR WORK DONE AT MACHAIK CHRYSLER (GEORGETOWN,TEXAS ). THE MANAGER STATED THEY FOUND OIL LEAKING ONTO THE SPARK PLUG, HAD TO PERFORM A COMBUSTION CHAMBER CLEANING,CHEMICALLY CLEANS INTAKE CHAMBER .MOPAR FUEL INJECTION AND FUEL RAIL. REMOVE THE THROTTLE BODY AND CHEMICALLY CLEAN CARBON FROM THROTTLE BODY. AFTER I HAD THIS WORK DONE I DROVE 5-7MILES DOWN THE ROAD, AND MY 2002 CHRYSLER SEBRING TIMING BELT BROKE AT 82,758 WHILE I WAS DRIVING ON THE HIGHWAY. I HAD NO POWER, LIGHTS,ABSOLUTELY NOTHING WORKED, AND ALMOST GOT KILLED IN TRAFFIC. *TR