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#BS-2004-LINLS-7613

2004 Lincoln Ls

Based on reports from 140 owners and 0 recalls for this exact model.

Complaints
140
Crashes
11
Fires
1
Recalls
0
TSBs
68
🛑

Preliminary Verdict

Red Flag

Based on 140 complaints, 11 crashes, 1 fires, and 0 recalls. This is the worst model year for this vehicle.

See full verdict with buy/skip conditions

Top reported problems

1

stalling and cutting off

5 complaints • Severity 8.8/10

$X,XXX
2

bad coils

2 complaints • Severity 8/10

$X,XXX
3

missing and cutting out when accelerating

1 complaints • Severity 6/10

$X,XXX

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Mechanic Inspection Checklist

!Check the EngineHIGH

18 owners reported engine issues — failures commonly reported around 61K miles.

!Inspect the ElectricalMED
Look for symptoms of wear and premature failure
+ 6 more items in full checklistUnlock

Failure Timeline by Mileage

27
0–30K
31
30–60K
35
60–90K
17
90–120K
4
120–150K
5
150K+

Peak failure range: 60–90K miles (35 reports) • Median: 61K 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 (18 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

Engine18 (13%)
Electrical15 (11%)
Speed Control14 (10%)
Power Train:automatic Transmission11 (8%)
Fuel System9 (6%)
Airbags7 (5%)
Engine And Engine Cooling:engine7 (5%)
Drivetrain6 (4%)

2004 Lincoln Ls: Known Issues & Problem Areas

Engine Issues

Engine complaints account for 13% of all reports filed for the 2004 Lincoln Ls, with 18 owners filing complaints with NHTSA. The median mileage at time of complaint is 61,000 miles, suggesting issues tend to surface around the 61K-mile mark.

Electrical Issues

Electrical complaints account for 11% of all reports filed for the 2004 Lincoln Ls, with 15 owners filing complaints with NHTSA. Owners should pay attention to electrical-related symptoms during test drives and pre-purchase inspections.

Speed Control Issues

Speed Control complaints account for 10% of all reports filed for the 2004 Lincoln Ls, with 14 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 8% of all reports filed for the 2004 Lincoln Ls, with 11 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

10
04
13
05
10
06
3
07
15
08
17
09
27
10
15
11
10
12
5
13
7
14
1
15
3
16
2
17
1
19
1
20

Complaints filed with NHTSA by year for the 2004 Lincoln Ls. Recent trend: stable.

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Repair costs • Negotiation scripts • Mechanic checklist • Buy/skip verdict

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This is the worst model year for the Lincoln Ls according to owner complaint data. The biggest problem area is engine.

2004 Lincoln Ls vs. Class Average (Midsize Cars)

This vehicle

140

Class avg

266

Below the class average — fewer complaints than typical midsize cars vehicles. A good sign.

Complaint counts correlate with sales volume — popular vehicles naturally generate more reports. The full report normalizes for this.

About this data

NHTSA Complaints

Federal database of owner-filed safety complaints. 140 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 Lincoln Ls Model Years

2006200520042003200220012000
View all Lincoln Ls years →

2004 Lincoln Ls: Frequently Asked Questions

What is the most common problem with the 2004 Lincoln Ls?
The most commonly reported issue with the 2004 Lincoln Ls is related to the engine, with 18 complaints filed with NHTSA.
Is the 2004 Lincoln Ls reliable?
The 2004 Lincoln Ls has 140 complaints, 11 crash reports, and 1 fire reports filed with NHTSA. This is below the class average — a positive sign for reliability.
How much does it cost to fix 2004 Lincoln Ls 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 Lincoln Ls have any recalls?
No recalls have been issued for the 2004 Lincoln Ls according to NHTSA records.
What mileage do Lincoln Ls problems start?
Based on 119 complaints with mileage data, the median mileage at time of complaint is 61,000 miles. The highest concentration of reported issues occurs in the 60–90K 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?
100% money-back guarantee. If the report doesn’t help you make a more informed decision, we’ll refund you — no questions asked.
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10 sections of AI analysis based on 140 owner reports. Know before you buy.

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