There are 3 stored owner reports matching the engine leading-label group for the 2016 Toyota 4Runner in our NHTSA-sourced dataset. These are unverified consumer reports and may not reflect confirmed defects.
This group counts stored reports whose component label starts with one of this site's matching prefixes, ignoring case. Each matching report counts once within the group. Components mentioned later in the label or only in the narrative are not searched. How component counts work
Loaded 3 of 3 matching reports.
Open the full vehicle complaint log (all categories)SINCE NEW, I HAVE DOCUMENTED AT LEAST 20 OCCURRENCES OF LACK OF ACCELERATION, SEVERAL TIMES ALMOST RESULTING IN AN ACCIDENT. ALL OCCURRENCES HAPPEN FROM A STOPPED POSITION, THEN APPLYING AT LEAST HALF ACCELERATOR PEDAL, THE TRUCK WILL INITIALLY ACCELERATE, THEN PAUSE FOR SEVERAL SECONDS, VERY SCARY WHEN CROSSING TRAFFIC OR GOING THROUGH AN INTERSECTION. HAPPENS ON TURNS AND WHEN GOING STRAIGHT.
MY VEHICLE WAS PARKED IN FRONT OF MY HOME AND WHEN I WENT OUT IN THE MORNING TO TAKE MY CHILDREN TO SCHOOL MY VEHICLE STARTED MISFIRING ALL THE CHECKS ENGINE LIGHTS WERE LIGHTED UP EVERY WARNING LIGHT ON MY PANEL LIT UP. I HAD MY VEHICLE TOWED BACK TO THE DEALER. COME TO FIND OUT THAT ALL MY WIRING UNDER THE HOOD HAD BEEN EATEN OR CHEWED UP BY RATS. IT COST ME $500.00 DOLLARS TO HAVE IT FIXED (TAPED) LESS THAN 6 MONTHS LATER IT HAPPENED AGAIN . AND LESS THAN 3 MONTHS AFTER THAT IT HAPPENED AGAIN! I READ SOMEWHERE THAT YOUR VEHICLES ARE KNOWN TO ATTRACT RATS AND THAT I'M NOT THE ONLY CUSTOMER TO HAVE HAD THIS PROBLEM. IS THERE ANY WAY YOU GUYS ARE PLANNING TO FIX THIS PROBLEM ANY TIME SOON ? IT'S BECOMING VERY EXPENSIVE FOR ME .
2016 TOYOTA 4RUNNER WITH LESS THAN 5000 MILES EVERY ONCE IN A WHILE I HAVE NOTICED A LACK OF RESPONSE TO THROTTLE WHEN MAKING A RIGHT HAND TURN. BY THIS I MEAN NO INCREASE IN ENGINE RPM'S PROPORTIONAL TO THROTTLE POSITION. I HAVE SHRUGGED IT OFF AS MY IMAGINATION. NOW I HAVE HAD TWO OCCASIONS WHERE AFTER COMING TO A STOP AT A STOP SIGN ON A STEEP INCLINE WHERE WHEN I RELEASED THE BRAKE PEDAL AND STEPPED ON GAS THE VEHICLE ROLLED BACK EVEN THOUGH I HAD AT LEAST 1/4 THROTTLE APPLIED. NOT A GOOD SITUATION IF THERE IS A VEHICLE BEHIND YOU.
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
NHTSA source checks for this vehicle year
Checks are recorded separately for each dataset, not for the whole page. Dates use UTC. A missing check date does not mean no records exist.
Vehicle import recorded: Apr 29, 2026. This is the stored import date, not confirmation that every source was successfully refreshed.