Manufacturer: HYUNDAI-KIA AMERICA TECHNICAL CENTER INC (HATCI)
Manufacturer Id: 1034
Model: Forte
Model Year: 2011
Plant City: Hwasung
Plant Company Name: Kia Motors Corporation
Plant Country: South Korea
Seat Belts All: Manual
Series: GLS
Series2: TD
TPMS: Direct
Valve Train Design: Dual Overhead Cam (DOHC)
Vehicle Type: PASSENGER CAR
Model year
COMPONENT
Complaint
2010
FUEL SYSTEM, GASOLINE
OUR 2010 KIA FORTE EX LOST 90% OF POWER REPEATEDLY (RPMS DROP TO IDLE, REGARDLESS OF THROTTLE POSITION) AT SPEEDS FROM 0-35MPH. THIS IS NOT THE FIRST OCCURRENCE, BUT I THINK IT IS THE SAME PROBLEM. THIS IS VERY DANGEROUS IF YOU ARE MAKING A LEFT TURN AND YOU LOSE ACCELERATION, YOU CAN BE IN THE WAY OF ONCOMING TRAFFIC BY LOSING POWER. ABOUT 2 YEARS AGO (25,000 MILES OR SO) THE TPS (THROTTLE POSITION SENSOR) WENT OUT. KIA COULD NOT DIAGNOSE IT UNTIL IT THREW A CODE (LAME). NOW WE GET THE SAME ISSUE, THE VEHICLE IS STALLING, OR "STUMBLING" WHEN THE SPEED SHOULD BE CONSTANT OR ACCELERATING, BUT THERE IS NO ENGINE CODE FOR THE CODE READER TO PICKUP YET, SO THE MECHANICS CAN'T FIGURE OUT WHAT TO DO. APPARENTLY THIS IS A PROBLEM ON MANY MODELS OF KIA/HYUNDAI AND THE MECHANICS DON'T RECOGNIZE IT SO THEY CAN'T FIX IT, AND YOU ARE STUCK WITH A DANGEROUS CONDITION. I THINK THERE SHOULD BE A RECALL OF THESE FAULTY TPS SENSORS. KIA/HYUNDAI SHOULD AT LEAST ISSUE A SAFETY TSB (TECHNICAL SERVICE BULLETIN) TO CLUE IN THEIR MECHANICS AS TO WHAT THE PROBLEM IS. HERE'S A GREAT ARTICLE SHOWING THE PROBLEM: HTTP://WWW.KIA-FORUMS.COM/KIA-CARNIVAL-SEDONA-2006/80251-TPS-SENSOR-SYMPTOMS-TPS-FAILURE-CEL.HTML THANKS FOR YOUR ATTENTION TO THIS MATTER. *TR
2011
VEHICLE SPEED CONTROL
WHEN GOING 60 ON THE HIGHWAY THE CAR SUDDENLY DROPPED DOWN TO 40 AND I HAD TO PULL OFF THE HIGHWAY. CAR WAS THEN TAKEN TO THE DEALERSHIP WHERE THE WHOLE TRANSMISSION WAS REPLACED. UPON RECIEVING THE CAR AGAIN IT WOULD JERK AND STALL WHEN ACCELERATING. CAR WAS THEN TAKEN BACK TO THE DEALER AND A "RELEARN" OF THE TRANSMISSION WAS PERFORMED. THIS HAS NOT STOPPED THE PROBLEM AND HAS MADE IT WORSE. IT NOW JERKS WHEN STOPPING AND WHEN ACCELERATING AND PEEDS OF 5 MI/HR OR MORE. AS WELL AS WHEN FIRST SHIFTING THE CAR OUT OF PARK. *JS