Chart 18

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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 Service Information, Engine System, Diagnosis And Testing to continue diagnosis.
Fuel Delivery System Black smoke	GO to Pinpoint Test HC .
Ignition System Black smoke	For KA 1.5L TIVCT or 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 Service Information, Engine System for a description of the Oil Consumption Test.
Turbocharger System Blue smoke	REFER to the Service Information, Fuel Charging And Controls - Turbocharger for the Oil Consumption Test.