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Electrical systemPart report

2000 Toyota 4RUNNER Electrical system Problems

Complaints
4about this part
Share
1%of 483 total for the year
Median mileage
90,500miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 4 complaints about the electrical system of the 2000 Toyota 4RUNNER, 1% of the 483 complaints for this model year. Where a mileage was given, the median is 90,500 miles.

Fewer than 15 complaints name this part, so treat the figures as a rough indication only.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“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. …”

NHTSA complaint #10130379, filed 2005-07, 81,000 miles

“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.”

NHTSA complaint #11514242, filed 2023-03, 200,000 miles

“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.”

NHTSA complaint #10667729, filed 2014-12, 60,000 miles

Related service bulletins

Electrical system: other model years

YearComplaintsShare of year
2026114%
2025813%
2024220%
202225%
202138%
202013%
2019812%
201847%
2017514%
20161823%
20151315%
20142431%
2013411%
201266%
201164%
201043%
2009418%
200855%
2007138%
2006185%
200592%
2004223%
2003122%
200231%
200163%
200041%
1999175%
1998114%
199762%
199632%
199563%
1993510%
1992611%
199011%

Other parts of the 2000 Toyota 4RUNNER

Body and structure
256 complaints
Suspension
102 complaints
Other or unknown
60 complaints
Transmission and drivetrain
42 complaints
Brakes
33 complaints
Fuel system
25 complaints
Steering
21 complaints
Tires
16 complaints
Air bags
13 complaints
Engine cooling
13 complaints
Visibility (wipers, defrost, mirrors)
10 complaints
Vehicle speed control
9 complaints

← All problems reported for the 2000 Toyota 4RUNNER

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology