TL*THE CONTACT OWNS A 2007 CHEVROLET SUBURBAN 1500. THE CONTACT STATED THAT THE VEHICLE HAS A STRONG GAS ODOR THAT INTENSIFIES WHILE ACCELERATING TO 60 MPH. THE VEHICLE IS AT THE DEALER WHO STATED THAT THEY ARE CLUELESS AS TO WHAT IS THE CAUSE OF FAILURE. THE ODOR CAUSED A 4 YEAR OLD CHILD TO VOMIT AND AGGRAVATES HIS ASTHMA. THE # OF CYLINDERS AND ENGINE SIZE WERE UNKNOWN. THE CURRENT MILEAGE IS 11,000 AND FAILURE MILEAGE WAS 920.