Base Engine Misfire with Coolant Consumption. Cadillac Catera 2001

For 1990-2009 cars only

Makes 🢒 Cadillac 🢒 2001 🢒 Catera 🢒 Engine 🢒 Engine Mechanical - 3.0L (L81) 🢒 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 Cooling .

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

•	Inspect for spark plugs saturated by coolant. Refer to Spark Plug Inspections in Engine Controls.

•	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.