Chart 18

WARNING: This page does not describe the selected car, but rather 25 other vehicles, including the 2012 Lincoln Navigator L, 2012 Lincoln Navigator, 2012 Lincoln MKZ, 2012 Lincoln MKX, and 2012 Lincoln MKT. However, it is still accessible from the selected car via links, so may be relevant.

Exhaust System Concerns: Visible Smoke

NOTE: Black smoke indicates a rich fuel mixture, blue smoke indicates burning oil, and white smoke indicates water in the combustion chamber.

SYSTEM/COMPONENT	REFERENCE ( PINPOINT TESTS unless noted)
Base Engine	REFER to the appropriate Engine System - General Information article and CARRY OUT the Inspection and Verification to continue diagnosis.
Fuel Delivery System Black smoke	GO to PINPOINT TEST HC .
Ignition System Black smoke	For vehicles equipped with a coil pack ignition system, GO to PINPOINT TEST JC . For all others, GO to PINPOINT TEST JB .
Positive Crankcase Ventilation (PCV) System Blue smoke	REFER to the appropriate Engine System - General Information article for a description of the Oil Consumption Test.
Turbocharger System Blue smoke	REFER to the appropriate Fuel Charging and Controls article - Turbocharger for the Oil Consumption Test.