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HI, I HAVE A 1998 GS300 124K MILES, WHEN I GO TO START IT, IT CRANKS BUT WON'T TURN OVER/START. I CHECKED BATTERY CONNECTION IT WAS OK, ALL THE LIGHT AND WINDOWS WORK. TRIED TO START IT ABOUT 10 TIMES EVEN GIVING IT GAS AS I ATTEMPT TO START, NO LUCK. 5 HOURS LATER OR NEXT MORNING TRIED TO START IT AND IT STARTS ON THE 1ST TRY, WEIRD...DOES ANYONE KNOW WHAT THIS COULD BE? I REMEMBER A FEW YEARS AGO A LEXUS TECH WAS CHANGING MY SPARK PLUGS, WHEN HE PULLED IT OUT IT WAS WET WITH ENGINE OIL, HE SAID I WAS GOING TO NEED TO CHANGE MY HEAD GASKET SOONER OR LATER. I NEVER DID AND DONT KNOW IF THIS IS THE PROBLEM OR NOT...DOES ANYONE KNOW WHAT THIS COULD BE?? OTHER WISE I'M JUST GOING TO SELL THE CAR TOO MANY PROBLEMS.