AT 75 MPH IN INTERSTATE TRAFFIC, VEHICLE ENGINE MISSED THEN LOST POWER. ENGINE WOULD NOT RISE ABOVE 1000 RPM. NARROWLY AVOIDED COLLISION IN MERGING OUT OF TRAFFIC. ENGINE WOULD NOT ACCELERATE ABOVE 1500 RPM, EVENTUALLY STALLED. AFTER 15 MINUTES, RESTARTED AND OPERATED NORMALLY FOR 5 MINUTES BEFORE STALLING AGAIN.*AK