98 firebird formula missing
I have a 98 firebire with ls1 engine, when i was driving it, it started it too missing then its smooth out and driving normal again now so i put a can of seafoam in it and it started too riding normal again for about 15 miles now it missing again, do anybody know what this might be ????
I have a 98 firebire with ls1 engine, when i was driving it, it started it too missing then its smooth out and driving normal again now so i put a can of seafoam in it and it started too riding normal again for about 15 miles now it missing again, do anybody know what this might be ????

