Base Engine Misfire with Excessive Oil Consumption. Generic Unit Repair 2001

For 1990-2009 cars only

Makes 🢒 Generic 🢒 2001 🢒 Unit Repair 🢒 Engine 🢒 Engine Mechanical - 8.1L (P32/42) 🢒 Base Engine Misfire with Excessive Oil Consumption

Cause

Correction

Worn valves, valve guides and/or valve stem oil seals

•	Inspect the spark plugs for oil deposits. Refer to Spark Plug Visual Diagnosis in Engine Electrical.

•	Repair or replace as required.

Worn Piston Rings

(Oil consumption may or may not cause the engine to misfire.)

•	Inspect the spark plugs for oil deposits. Refer to Spark plug Visual Diagnosis in Engine Electrical.

•	Inspect the cylinders for a loss of compression. Refer to Engine Compression Test.

•	Perform cylinder leak down and compression testing to determine the cause.

•	Repair or replace as required.