what would cause oil and water to go into carburetor?

1991 CHEVROLET TRUCK
120,000 MILES
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BRANSCOTT
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also overheating
just changed head gasket, control throttle sensor
Sep 25, 2011 at 8:24 PM
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JACOBANDNICKOLAS
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Are you sure it has a carb? It should be fuel injected.
Sep 25, 2011 at 8:27 PM
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BRANSCOTT
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it has a throttle body
Sep 25, 2011 at 8:32 PM
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JACOBANDNICKOLAS
  • ✓ASE Certified Mechanic
  • 110,194 POSTS
  • ASE Certified Mechanic
That is what I thought. The system is sealed from one end to the other. Is the oil coming from the intake? Have you checked for a bad intake gasket?
Sep 25, 2011 at 8:37 PM
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