Ford Mustang Common Faults

29
Fault Reports
26
Solved
7
Model Years
📖 How to Use This Page

Every figure below comes from owner-submitted fault reports for this exact model — not a manufacturer spec sheet. Jump to any section, or scroll through for the full picture before buying or diagnosing a problem.

📊 Data Score 📋 Overview 🔍 Reliability 🗂️ Problem Categories 💰 Repair Costs 💡 Buying Advice 🔧 Full Fault List ❓ FAQ

📊 Ford Mustang Data Score

Reliability Score
75/100
Good
Resolution Rate
90%
26 of 29 confirmed fixed
Risk Level
Low
0 serious/critical cases
Maintenance Complexity
High
8 systems affected

📐 The MyCarFault Score blends this model's resolution rate (% of reports with a confirmed fix) and severity mix of its 29 reported cases. It reflects our database only, not a manufacturer or third-party rating.

📋 Most Reported Problems

🗂️ Problem Categories

Which vehicle systems generate the most reports for the Ford Mustang, based on all 29 cases on this page.

Engine
7 (24%)
Suspension
5 (17%)
Electrical
5 (17%)
Other
4 (14%)
Transmission
3 (10%)
Exhaust
2 (7%)
Fuel System
2 (7%)
Cooling
1 (3%)

🛠️ High maintenance complexity — issues span 8 different systems, with an average reported repair cost of $1,462. Models touching fewer systems are generally simpler and cheaper to keep on top of.

⚡ Quick Summary
Fault Reports
29
26 with confirmed fix
Est. Repair Cost
$1,462
avg · $850–$2075 range
Fix Rate
90%
of reported faults solved

Real-world Ford Mustang fault data from 29 driver reports. Documented issues include Ford Mustang 2018 Catalytic converter P0420 code, Ford Mustang 2018 Transmission slipping between gears, Ford Mustang 2019 Wheel bearing humming noise while driving, Ford Mustang oil cooler gasket leak — oil in coolant and Ford Mustang 2018 CVT transmission shudder and jerking. The majority have verified fixes.

📋 Ford Mustang Overview

The Ford Mustang has 29 owner-reported faults recorded on MyCarFault. Documented issues include Ford Mustang 2018 Catalytic converter P0420 code, Ford Mustang 2018 Transmission slipping between gears, Ford Mustang 2019 Wheel bearing humming noise while driving, Ford Mustang oil cooler gasket leak — oil in coolant, and Ford Mustang 2018 CVT transmission shudder and jerking.

90% of reported issues have a confirmed driver-verified fix.

Estimated repair costs based on owner-reported data range from $850 to $2075, with an average of $1,462 USD. Costs vary by fault type, garage type, and parts availability in your region.

Long-term Ford Mustang ownership appears manageable based on community data. A high proportion of reported faults have confirmed fixes, suggesting problems are diagnosable and repairable by informed owners and independent garages.

🔍 Reliability Snapshot

Fault Reports
29
Verified Fixes
26
Est. Repair Cost
$1,462
Most Common Issue
Ford Mustang 2018 Catalytic converter P0…
Owner Confidence
High

💰 Repair Cost Insight

Based on 29 owner-reported Ford Mustang fault cases where cost data was provided:

Average Cost
$1,462
Lowest Estimate
$850
Highest Estimate
$2,075

Estimates are owner-reported and vary by region, garage type, and parts availability. Independent specialists typically charge 30–50% less than main dealers for the same repair.

💡 Should You Buy a Used Ford Mustang?

Reports on File
29
Resolution Rate
90%
Most-Affected System
Engine
Risk Level
Low

Thinking about buying a used Ford Mustang? Here is what our fault data suggests.

The Ford Mustang has a significant number of community-reported faults. This does not necessarily mean the car is unreliable — high fault counts often reflect high ownership numbers. Focus on whether the known issues on this page have been addressed on the specific car you are viewing.

The most reported issue is "Ford Mustang 2018 Catalytic converter P0420 code". Ask the seller specifically about this before committing to a purchase, and have an independent mechanic check for it during a pre-purchase inspection.

An independent pre-purchase inspection (PPI) is strongly recommended regardless of the seller's assurances or the car's service history.

❓ Common Questions About the Ford Mustang

YEAR: All 2021 2020 2019 2018 2016 2015 2014

🔧 Reported Faults


🟢
Ford Mustang 2018 Catalytic converter P0420 code
P0420 2018 💰 $200–$1500 USD
1 fix
👁 2,850
🟢
Ford Mustang 2018 Transmission slipping between gears
2018
1 fix
👁 2,116
🟢
Ford Mustang 2019 Wheel bearing humming noise while driving
2019
1 fix
👁 1,682
🟢
Ford Mustang oil cooler gasket leak — oil in coolant
2015
1 fix
👁 1,625
🟢
Ford Mustang 2018 CVT transmission shudder and jerking
2018 💰 $150–$4000 USD
1 fix
👁 1,587
🟢
Ford Mustang 2016 AC not blowing cold air compressor issue
2016
1 fix
👁 1,497
🟢
Ford Mustang 2016 Battery draining overnight parasitic drain
2016
1 fix
👁 1,287
🟢
Ford Mustang 2014 Wheel bearing humming noise while driving
2014
1 fix
👁 1,263
🟢
Ford Mustang 2021 Fuel economy dropped poor MPG
2021
1 fix
👁 1,243
🟢
Ford Mustang 2019 Coolant leak from engine area
2019
1 fix
👁 1,202
🟢
Ford Mustang 2021 Power steering heavy and whining
2021
1 fix
👁 1,192
🟢
Ford Mustang 2016 P0300 random misfire rough idle
P0300 2016
1 fix
👁 1,190
🟢
Ford Mustang 2015 Power steering heavy and whining
2015
1 fix
👁 1,157
🟢
Ford Mustang 2019 Car wont start clicking sound
2019
1 fix
👁 1,152
🟢
Ford Mustang 2021 CVT transmission shudder and jerking
2021 💰 $150–$4000 USD
1 fix
👁 1,092
🟢
Ford Mustang 2015 Wheel bearing humming noise while driving
2015
1 fix
👁 982
🟢
Ford Mustang 2014 Check engine light P0171 lean mixture
P0171 2014
1 fix
👁 873
🟢
Ford Mustang 2021 AC not blowing cold air compressor issue
2021
1 fix
👁 708
🟢
Ford Mustang 2014 ABS warning light on
2014
1 fix
👁 669
🟢
Ford Mustang 2016 Alternator warning light battery not charging
2016
1 fix
👁 662
🟢
Ford Mustang 2016 5.0 rough idle after startup
2016
1 fix
👁 589
🟢
Ford Mustang 2015 P0300 random misfire rough idle
P0300 2015
1 fix
👁 580
🟢
Ford Mustang 2015 Engine oil leak from valve cover
2015
1 fix
👁 557
🟢
Ford Mustang 2019 Catalytic converter P0420 code
P0420 2019 💰 $200–$1500 USD
1 fix
👁 532
🟢
Ford Mustang 2014 Fuel economy dropped poor MPG
2014
1 fix
👁 429
🟢
Ford Mustang 2018 ABS warning light on
2018
1 fix
👁 324
Ford Mustang Mach-E CCS Charging Module Fault
2020 Medium
👁 35
Ford Mustang S550 5.0 Coyote V8 Rear Main Seal Leak
2015 Medium
👁 27
Ford Mustang EcoBoost 2.3 Turbo Intercooler Water Spray
2015 Low
👁 23

🚗 Drivers Also Viewed

Ford Transit 28 faults → Ford Explorer 25 faults → Ford Ranger 24 faults → Ford Focus 5 faults → Ford Fiesta 2 faults →

Own a Ford Mustang?

Share your fault or fix and help other owners save money.

🔗 Explore More


🩺 Common Symptoms
Wheel bearing humming noise while driving Catalytic converter — P0420 code CVT shudder at 35–45 mph AC not blowing cold air Fuel economy dropped — poor MPG Power steering heavy and whining
🔢 Common OBD Codes
P0420 P0300 P0171
🔧
Usta
● Online