LEMON Manuals: Even more car manuals for everyone
Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1443 (Engine Mechanical - 4.2L (Ll8)) >> Diagnostic Information and Procedures >> Base Engine Misfire with Coolant Consumption

Base Engine Misfire with Coolant Consumption

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2004 Oldsmobile Bravada, 2004 GMC Envoy XUV, 2004 GMC Envoy XL, 2004 GMC Envoy, and 2004 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
Base Engine Misfire with Coolant Consumption

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.