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5.3 runs very rough under load
2002 Tahoe 210,000 miles. Engine starts right up and idles smooth in park. In park engine revs freely with no hesitation or noise. In drive the engine is smooth if you keep the throttle low enough to keep RPMs under about 1800-2000. Give it any more throttle and the engine vibrates, has no...- Craig C
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- Forum: Engine & Drivetrain
