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Home >> Chevrolet >> 2021 >> Blazer RS, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 2 (Engine Mechanical - 2.5L (LCV)) >> Diagnostic Information and Procedures >> Base Engine Misfire with Coolant Consumption

Base Engine Misfire with Coolant Consumption

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Cause Correction
Faulty cylinder head gasket and/or cracking, or other damage to the cylinder head and engine block cooling system passages.
Coolant consumption may or may not cause the engine to overheat.
  • Inspect for spark plugs saturated by coolant.
  • Perform a cylinder leak down test.
  • Inspect the cylinder head and engine block for damage to the coolant passages and/or a faulty head gasket.
  • Repair or replace as required.
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