I OWN A 1998 GRNAD AM GT AND FOR THE PAST TWO YEARS I HAVE HAD FUEL INJECTOR PROBLEMS. I HAVE HAD ALL SIX INJECTORS REPLACED TWICE TOTALING OVER $600.00 EACH TIME. OTHER PEOPLE THAT I KNOW WHO ALSO OWN 1996-1999 GRAND AMS/GRAND PRIX HAVE ALSO SEEM TO HAVE THE SAME PROBLEMS. THE INJECTOR CLEANERS THAT ARE ONE THE MARKET DON'T SEEM TO GET RID OF THE BUILD UP AND EVENTUALLY THEY NEED TO BE REPLACED. I BELIEVE THAT THERE IS SOME KIND OF DEFECT IN THE INJECTORS AND WOULD LIKE AN INVESTIGATION TO FIND OUT. *NM