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1996 Chevrolet Suburban 1500 Question: MISSES AFTER 70

 

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forrestpryor, San Antonio, TX, August 28, 2010, 15:53
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BLEW HEAD GASKET SO I HAD THE HEAD REDID,AS WELL AS NEW PLUGS,WIRES,BASIC TUNE UP.NOW I HAVE A SMALL BUCK/MISS ONLY WHEN I PASS 70MPH. IT DOESN'T HAVE A CODE!

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  • Answer #1

    Visitor, August 29, 2010, 21:07

    Sounds like a high rpm miss. Take note of the rpm when it starts missing. It could be a bad valve.

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