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#BS-2004-TOY4RU-1CC6

2004 Toyota 4 Runner

Based on reports from 76 owners and 0 recalls for this exact model.

Complaints
76
Crashes
6
Fires
0
Recalls
0
TSBs
40
🟢

Preliminary Verdict

Proceed with Caution

Based on 76 complaints, 6 crashes, 0 fires, and 0 recalls.

See full verdict with buy/skip conditions

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Mechanic Inspection Checklist

!Check the Engine And Engine Cooling:exhaust System:emission Control:catalytic ConvertorHIGH

6 owners reported engine and engine cooling:exhaust system:emission control:catalytic convertor issues — failures commonly reported around 1K miles.

!Inspect the Engine And Engine Cooling:exhaust SystemMED
Look for symptoms of wear and premature failure
+ 6 more items in full checklistUnlock

Failure Timeline by Mileage

52
0–30K
30–60K
60–90K
90–120K
120–150K
150K+

Peak failure range: 0–30K miles (52 reports) • Median: 1K miles

Full report: which components fail at each mileageUnlock

30,000-Mile Cost Projection

Best Case

$X,XXX

Most Likely

$X,XXX

Worst Case

$X,XXX

Top cost driver: Engine And Engine Cooling:exhaust System:emission Control:catalytic Convertor (6 reports).

Includes fuel costs, common repairs, and recall riskUnlock

Also in your report

Owner Intelligence

AI-synthesized themes from real complaints

Buyer Lot Checklist

Questions, test drive checks, walk-away triggers

Negotiation Talking Points

Data-backed dollar deductions

Buy / Skip Verdict

Final recommendation with conditions

10 sections total in the full reportUnlock all

Where the complaints fall

Engine And Engine Cooling:exhaust System:emission Control:catalytic Convertor6 (8%)
Engine And Engine Cooling:exhaust System5 (7%)
Speed Control3 (4%)
Power Train:automatic Transmission3 (4%)
Tires:pressure Monitoring And Regulating Systems3 (4%)
Seats3 (4%)
Steering3 (4%)
Suspension3 (4%)

2004 Toyota 4 Runner: Known Issues & Problem Areas

Engine And Engine Cooling:exhaust System:emission Control:catalytic Convertor Issues

Engine And Engine Cooling:exhaust System:emission Control:catalytic Convertor complaints account for 8% of all reports filed for the 2004 Toyota 4 Runner, with 6 owners filing complaints with NHTSA. The median mileage at time of complaint is 1,000 miles, suggesting issues tend to surface around the 1K-mile mark.

Engine And Engine Cooling:exhaust System Issues

Engine And Engine Cooling:exhaust System complaints account for 7% of all reports filed for the 2004 Toyota 4 Runner, with 5 owners filing complaints with NHTSA. Owners should pay attention to engine and engine cooling:exhaust system-related symptoms during test drives and pre-purchase inspections.

Speed Control Issues

Speed Control complaints account for 4% of all reports filed for the 2004 Toyota 4 Runner, with 3 owners filing complaints with NHTSA. Owners should pay attention to speed control-related symptoms during test drives and pre-purchase inspections.

Power Train:automatic Transmission Issues

Power Train:automatic Transmission complaints account for 4% of all reports filed for the 2004 Toyota 4 Runner, with 3 owners filing complaints with NHTSA. Owners should pay attention to power train:automatic transmission-related symptoms during test drives and pre-purchase inspections.

Data sourced from NHTSA owner complaints and community reports. The full report analyzes severity, repair costs, and failure patterns for each category.

Complaint trend by year

3
03
54
04
17
05
2
06

Complaints filed with NHTSA by year for the 2004 Toyota 4 Runner. Recent trend: decreasing.

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About this data

NHTSA Complaints

Federal database of owner-filed safety complaints. 76 records for this vehicle.

NHTSA Recalls

Manufacturer-issued safety recalls. 0 recalls found for this vehicle.

Repair Cost Data

Real-world repair costs from owner reports and independent databases.

Other Toyota 4 Runner Model Years

200520042003200220012000199919981997199619951994
View all Toyota 4 Runner years →

2004 Toyota 4 Runner: Frequently Asked Questions

What is the most common problem with the 2004 Toyota 4 Runner?
The most commonly reported issue with the 2004 Toyota 4 Runner is related to the engine and engine cooling:exhaust system:emission control:catalytic convertor, with 6 complaints filed with NHTSA.
Is the 2004 Toyota 4 Runner reliable?
The 2004 Toyota 4 Runner has 76 complaints, 6 crash reports, and 0 fire reports filed with NHTSA. The full report analyzes whether these numbers indicate real risk or are proportional to the vehicle’s popularity.
How much does it cost to fix 2004 Toyota 4 Runner problems?
Repair costs vary by issue. The full BumperScan report includes detailed repair cost estimates (low/median/high) for every major issue, plus a 30,000-mile total cost of ownership projection.
Does the 2004 Toyota 4 Runner have any recalls?
No recalls have been issued for the 2004 Toyota 4 Runner according to NHTSA records.
What mileage do Toyota 4 Runner problems start?
Based on 52 complaints with mileage data, the median mileage at time of complaint is 1,000 miles. The highest concentration of reported issues occurs in the 0–30K mile range. The full report breaks down exactly which components fail at each mileage bracket.
What’s in the full report?
10 sections of AI analysis: severity-ranked issues, component scores (0-100), 30K-mile cost projection, failure timeline by mileage, recall details with seller scripts, owner sentiment analysis, mechanic checklist, buyer lot checklist, negotiation ammo with dollar figures, and a buy/skip verdict.
How is this different from free NHTSA data?
NHTSA gives you raw complaint text. BumperScan cross-references 2.1M+ complaints with community repair cost data, EPA fuel data, and recall records — then uses AI to synthesize it into actionable advice with dollar figures.
How is this different from Carfax?
Carfax is VIN-specific history ($45/report). BumperScan is model-level reliability intelligence — what problems this car is known for, what they cost, and whether you should buy it. Complementary, not competing.
What if the report isn’t useful?
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10 sections of AI analysis based on 76 owner reports. Know before you buy.

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