Mechanics

HELP!

1998 Chevrolet Tahoe • 156,000 miles

Random/Multiple Cylinder Misfire Detected Have done complete tune up and when traveling highway between 65-70mh engine hesitates when climbing long hill and loses power if I back off to 60 mph its fine sometimes check engine light comes on and stays for a couple days then shuts off again.
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Woobby16
June 26, 2011.



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