Chart 18

WARNING: This page does not describe the selected car, but rather 32 other vehicles, including the 2019 Lincoln Navigator, 2019 Lincoln Nautilus, 2019 Lincoln MKZ, 2019 Lincoln MKT, and 2019 Lincoln MKC. 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 Test unless noted)
Base Engine	REFER to the Engine System - General Information article, Diagnosis And Testing to continue diagnosis.
Fuel Delivery System Black smoke	GO to PINPOINT TEST HC .
Ignition System Black smoke	For Fiesta 1.6L TIVCT, GO to PINPOINT TEST JC . For all others, GO to PINPOINT TEST JB .
Positive Crankcase Ventilation (PCV) System Blue smoke	REFER to the Engine System General Information article for a description of the Oil Consumption Test.
Turbocharger System Blue smoke	REFER to the Fuel Charging And Controls - Turbocharger article for the Oil Consumption Test.