LEMON Manuals: Even more car manuals for everyone
Home >> Buick >> 2019 >> Regal TourX Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 141 (Engine Mechanical - 3.6L (LGX) - Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> Base Engine Misfire with Excessive Oil Consumption

Base Engine Misfire with Excessive Oil Consumption

WARNING: This page is about a different car, the 2020 Buick Regal and 2019 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.
Cause Correction
Worn valves, valve guides and/or valve stem oil seals
  1. Inspect the spark plugs for oil deposits. Spark Plug Inspection
  2. Repair or replace valves, valve guides and/or valve stem oil seals as required.
Worn piston rings
Oil consumption may or may not cause the engine to misfire.
  1. Inspect the spark plugs for oil deposits. Spark Plug Inspection
  2. Inspect the cylinders for a loss of compression. Engine Compression Test 
  3. Perform cylinder leak down and compression testing to determine the cause.
  4. Repair or replace piston rings as required.
scientia non olet · About LEMON Manuals