Base Engine Misfire with Coolant Consumption. Generic Unit Repair 2002

For 1990-2009 cars only

Makes 🢒 Generic 🢒 2002 🢒 Unit Repair 🢒 Engine 🢒 Engine Mechanical - 3.0L (LW9) 🢒 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. Refer to Diagnostic Starting Point - Engine Mechanical .

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

•	Inspect for spark plugs saturated by coolant. Refer to Spark Plug Visual Inspection in Engine Controls - 2.5L (LB9) and 3.0L (LW9).

•	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.