Base Engine Misfire with Coolant Consumption. Chevrolet S10 Pickup

For 1990-2009 cars only

Makes 🢒 Chevrolet 🢒 2003 🢒 S10 Pickup - 2WD 🢒 Engine 🢒 Engine Controls - 2.2L (LN2) 🢒 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. Refer to Diagnostic Starting Point - Engine Cooling in Engine Cooling.

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

•	Inspect for spark plugs saturated by coolant. Refer to Spark Plug Inspection in Engine Controls 2.2L (LN2).

•	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.