DRIVING APPROXIMATELY 50 MPH WHEN I HEARD POP. SMOKE CAME FROM UNDER HOOD. PULLED OVER. POPPED HOOD. SMOKE COMING FROM ENGINE. CHECKED DIPSTICK AND NO OIL. NEVER HAD OIL LEAK. NO OIL LIGHT EVER CAME ON. NO CHECK ENGINE LIGHT. NO OVERHEAT OR HOT ENGINE LIGHT. JUST A SMALL FIRE UNDERNEATH THE ENGINE ON GROUND. BOUGHT OIL THAT JUST LEAKED IMMEDIATELY AFTER PUTTING IN. NO WARNING. NO SIGNALS. NO ALERTS. BLOWN ENGINE. THEY WANT $5300 FOR A USED ENGINE. *JS