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2002 Buick LeSabre Custom 3.8L Poor Idle Quality, Poor Fuel Economy, high idle VIN: 1G4HP54K42
good evening Thanks to every one that responded to this problem,im still trying to figure this out i did everything suggested and sometimes it will run perfect somtimes idle real slow and most of the time idle 3000 rpms.i replaced iac again and tps again chec...
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