WHILE DRIVING ON I-5 GOING THROUGH GRANTS PASS IN OREGON UPHILL, MY 2003 HONDA ELEMENT SUDDENLY DECELERATED FROM 65MPH TO BARELY 35 MPH. CAR HAS BEEN IN THE SHOP FOR TWO DAYS, THERE WERE NO CODES INDICATING AN ISSUE WITH THE TRANSMISSION. THE MECHANIC RECOMMENDED IT BE SEEN BY A ENGINE MECHANIC. CAR IS STILL EXPERIENCING THE ISSUE AFTER A TRANSMISSION FLUSH, NEW SPARK PLUGS, FUEL SYSTEM CLEANING. THIS IS A MAJOR SAFETY ISSUE, THE CAR ONLY HAS 82500 MILES ON AND HAS NEVER BEEN PLACED IN STORAGE. *TR