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1999 Gmc Yukon Blew Head Gasket Replaced Gasket Installed 2 New Heads Now That

1999 GMC YUKON
224,000 MILES
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MATTMILLER14
  • MEMBER
  • 1 POST
Blew a head gasket. Replaced gasket and installed 2 new heads. Now that its all put together starts but idles very slow and rough. Was wondering what could be causing this. Didn't have any ideling problems prior
Mar 25, 2013 at 9:27 AM
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ASEMASTER6371
  • ✓Experienced Mechanic
  • 52,796 POSTS
check for vacuum leaks. valves adjusted correctly??

Roy
Apr 26, 2013 at 11:05 AM
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