WELL HAD THE 03'YUKON 5.3 STIING ALL WEEK,,WELL A WHILE AGO I WENT TO START IT AND IT BARELY TURNED ON LIKE IF THE BATTERY WAS DEAD.WHEN IT DID TURN ON,IT SOUNDED LIKE THE STARTER WAS STUCK,NOW I DONT KNOW IF IT WAS THE STARTER CAUSE I SHUT IT OFF QUICK.I TURNED IT ON AGAIN,ENGINE LIGHT CAME ON AND IT SAID REDUCED ENGINE POWER ON CLUSTER.IT WAS IDLING KIND OF HIGH TOO.SO TURNED IT OFF ONCE AGAIN,TURNED IT BACK ON SES LITE WENT AWAY,AND SO DID THE REDUCED CRAP. HELP ITS GOT 120K MILES ,IT FULLY MAINTAINED,CHANGED KNOCK SENSORS LIKE 3 WEEKS AGO,RUN STRONG STILL.

BTW(sorry for all caps lol)