Muffler has literally exploded

1996 CHEVROLET CHEYENNE
215,000 MILES • 4.3L • V6 • 2WD • AUTOMATIC
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AVILA6278
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I have done a complete tune and this is three times it has done so. what could possibly be wrong?
Apr 15, 2019 at 5:31 PM
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SCGRANTURISMO
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Hello,

When you say a complete tune are you referring to re-flashing your vehicle's Power-train Control Module (PCM), or are you referring to doing a tune up?

Thanks,
Alex
2CarPros
Apr 15, 2019 at 6:56 PM