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Base Engine Misfire with Coolant Consumption

Base Engine Misfire with Coolant Consumption


Cause Correction
Faulty cylinder head gaskets and/or cracking or other damage to the cylinder heads and engine block cooling system passages

Coolant consumption may or may not cause the engine to overheat.


• Inspect for spark plugs saturated by coolant. Refer to Spark Plug Inspection .

• Perform a cylinder leak down test.

• Inspect the cylinder heads and engine block for damage to the coolant passages and/or a faulty head gasket.

• Repair or replace as required.