There are 3 stored owner reports matching the electrical system leading-label group for the 2000 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)The contact owns a 2000 Toyota 4Runner. The contact stated that after disconnecting the battery from the vehicle, it was later discovered that the both the driver’s and passenger’s side doors and the hatch door could not be opened manually or remotely. The cause of the failure was not determined. The local dealer and manufacturer were notified of the failure, but no assistance was offered. The failure mileage was 200,000.
TL* THE CONTACT OWNS A 2000 TOYOTA 4RUNNER. THE CONTACT STATED THAT THE VEHICLE FAILED TO START INTERMITTENTLY WITHOUT WARNING. THE VEHICLE WAS TAKEN TO A DEALER WHERE IT WAS DIAGNOSED THAT THE IGNITION SWITCH NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED; HOWEVER, THE FAILURE RECURRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 60,000.
I JUST PURCHASED A 2000 TOYOTA 4 RUNNER WITH 80K .THE CHECK ENGINE LIGHT GAVE A PROBLEM CODE OF PO171 MASS AIR FLOW SENSOR .ME AND MY KIDS WENT TO GRAB SUPPER AT THE DAIRY QUEEN AND HAD JUST PULLED OUT OF THE DQ WHEN MY CAR STARTED SHUTING DOWN IN THE ROAD WAY, MY 4RUNNER COULD NOT EXCEED 25MPH .ALMOST A CRASH! FROM ALL IVE SEEN ON THE INTERNET THIS IS THE NUMBER 1 PROBLEM WITH THE 2000 4RUNNNER AND COULD CAUSE ASERIOUS ACICDENT OR DEATH. THE CAR DEALER REPLACED THE MASS AIR FLOW SENSOR FOR ME AT NO CHARGE. I THINK TOYOTA KNOWS THERE IS FAULT IN THE MASS AIR FLOW SENSORS I READ ONLINE WHERE ONE TOYOTA DEALER HAD SOLD OVER 300 NEW MASS AIR FLOW SENSORS.PLEASE FEEL FREE TO CALL ME ANYTIME.JSR7044775308
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.