NHTSA Complaint #10904751 — 2014 SUBARU FORESTER

VEHICLE IS UNSTABLE DUE TO STALLING AND LURCHING FORWARD UNDER ALL THROTTLE RANGES. VEHICLE MAY "CHUG" AT VARIABLE DRIVING SPEEDS. THE FAILURE IS INTERMITTENT AND VARIES FROM SUBTLE TO HEAVY EFFECTS. SEVERE EFFECTS CAUSES VEHICLE TO SHUDDER AND/OR STALL THEN ABRUPTLY ACCELERATE. ISSUE DOES NOT APPEAR TO BE RELATED TO "TURBO LAG" AS IT OCCURS UNDER LOW BOOST CONDITIONS. TRANSMISSION ALSO PRODUCES "CLICKING" SOUND WHEN ENGAGING FROM NEUTRAL OR UNDER CHANGES IN SPEED. CONDITION OCCURS THROUGHOUT ALL DRIVING MODES (I, S, S#). CONDITION OCCURS MOSTLY UNDER ACCELERATION FROM DEAD STOP, BUT MAY ALSO OCCUR UNDER "PICK UP" ACCELERATION, IE OFF THROTTLE TO DECELERATE (55MPH-45MPH) THEN LIGHT THROTTLE TO RESUME DRIVING SPEED. VEHICLE MAY ALSO BACKFIRE UNDER ACCELERATION. VEHICLE MAY HESITATE FOR SEVERAL SECONDS BEFORE ACCELERATION FROM STOP OR AT HIGHWAY SPEED THAN UPON RESUMING ACCELERATION VEHICLE MAY HAVE A FLAT/SLOW ACCELERATION IN SPITE OF HEAVY THROTTLE. FACTORY AUTHORIZED REPAIRS ATTEMPTED TO REMEDY CONDITION BY CLEANING THROTTLE BODY AND "UPPER ENGINE" CLEANSE AND STATES UNABLE TO REPLICATE FAILURE. CONDITION HAS BEEN ON-GOING FROM PURCHASE WITH APPROXIMATELY 30K MILE TO CURRENT WITH 74K MILES.