ISUZU D-MAX ENGINE SYMPTOM

After Turn Switch On, Security Light Flashes Engine Cranks, Starts, And Stops Immediately.

Coolant Is Mixing With Engine Oil But No Oil In The Coolant. What Can It Be?

This Light Has Come On And Will Not Go Off. When This First Happened The Engine Was Sluggish And Blew A Lot Of Smoke And Once Warmed Up...