"CHECK ENGINE LIGHT" C-5
03-24-2006, 11:27 PM
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"CHECK ENGINE LIGHT" C-5 JUST WANTING TO SEE IF ANYONE CAN SOLVE THIS PROBLEM FOR ME.. FIRST I OWN A 97 C-5, I HAVE BEEN HAVING PROBLEM WITH THE CHECK ENGINE LIGHT COMING ON. WHEN I CHECK IT OUT IT SAYS "AUXILIARY EMISSION CONTROL" BANK 1,2 OR 3. THERE ARE SOME DAYS THIS LIGHT WILL JUST GO OFF AND OTHER DAYS IT WOULD JUST STAY ON. MY QUESTION IS COULD THIS BE MY OXYGEN SENSORS GOING OUT (O2). 
