K 1500 Truck 4WD V8-5.3L VIN T (2000)
3. Inspect the fuel rail bolt inserts for looseness or damaged threads.
4. Inspect the intake manifold vacuum passages for debris or restrictions.
5. Inspect for damaged or broken vacuum fittings, damaged MAP sensor (1) mounting bore, or broken MAP sensor retaining tabs.
6. Inspect the composite intake manifold assembly for cracks or other damage.
Inspect the areas between the intake runners.
7. Inspect all the gasket sealing surfaces for damage.
8. Inspect the fuel injector bores for excessive scoring or damage.
9. Inspect the intake manifold cylinder head deck for warpage.
9.1.
Locate a straight edge across the intake manifold cylinder head deck surface.
9.2.
Position the straight edge across a minimum of two runner port openings.
