Check Engine Light Due to Engine Misfire on GMC Savana 1500

The engine may develop a misfire due to worn valve seats. This fault will cause the Check Engine Light to illuminate. Our technicians tell us the misfire may or may not be felt while driving. They further recommend that both cylinder heads be removed and thoroughly inspected and repaired as necessary.

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Average mileage: (–)
7 model years affected: 1996, 1997, 1998, 1999, more2000, 2001, 2002
7 people reported this problem
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