Hyundai i30 Common Faults

43
Fault Reports
25
Solved
11
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

📊 Hyundai i30 Data Score

Reliability Score
59/100
Average
Resolution Rate
58%
25 of 43 confirmed fixed
Risk Level
Low
0 serious/critical cases
Maintenance Complexity
High
9 systems affected

📐 The MyCarFault Score blends this model's resolution rate (% of reports with a confirmed fix) and severity mix of its 43 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 Hyundai i30, based on all 43 cases on this page.

Engine
14 (33%)
Other
11 (26%)
Electrical
5 (12%)
Exhaust
3 (7%)
Fuel System
3 (7%)
Suspension
3 (7%)
Brakes
2 (5%)
Transmission
1 (2%)
Body/Interior
1 (2%)

🛠️ High maintenance complexity — issues span 9 different systems, with an average reported repair cost of $1,211. Models touching fewer systems are generally simpler and cheaper to keep on top of.

⚡ Quick Summary
Fault Reports
43
25 with confirmed fix
Est. Repair Cost
$1,211
avg · $375–$2150 range
Fix Rate
58%
of reported faults solved

Based on 43 driver-submitted reports, common Hyundai i30 faults include Hyundai i30 2015 Timing chain rattle on cold start, Hyundai i30 2018 P0300 random misfire rough idle, Hyundai i30 2017 Check engine light P0171 lean mixture, Hyundai i30 2018 Timing chain rattle on cold start and Hyundai i30 2014 Catalytic converter P0420 code. 25 of these have a confirmed driver-verified fix.

📋 Hyundai i30 Overview

The Hyundai i30 has 43 owner-reported faults recorded on MyCarFault. Documented issues include Hyundai i30 2015 Timing chain rattle on cold start, Hyundai i30 2018 P0300 random misfire rough idle, Hyundai i30 2017 Check engine light P0171 lean mixture, Hyundai i30 2018 Timing chain rattle on cold start, and Hyundai i30 2014 Catalytic converter P0420 code.

58% of reported issues have a confirmed driver-verified fix.

Estimated repair costs based on owner-reported data range from $375 to $2150, with an average of $1,211 USD. Costs vary by fault type, garage type, and parts availability in your region.

With 43 reported faults, Hyundai i30 owners should factor maintenance planning into their ownership budget. Regular servicing and early diagnosis of known issues significantly reduces long-term costs.

🔍 Reliability Snapshot

Fault Reports
43
Verified Fixes
25
Est. Repair Cost
$1,211
Most Common Issue
Hyundai i30 2015 Timing chain rattle on …
Owner Confidence
Moderate

💰 Repair Cost Insight

Based on 43 owner-reported Hyundai i30 fault cases where cost data was provided:

Average Cost
$1,211
Lowest Estimate
$375
Highest Estimate
$2,150

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 Hyundai i30?

Reports on File
43
Resolution Rate
58%
Most-Affected System
Engine
Risk Level
Low

Thinking about buying a used Hyundai i30? Here is what our fault data suggests.

The Hyundai i30 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 "Hyundai i30 2015 Timing chain rattle on cold start". 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 Hyundai i30

YEAR: All 2022 2021 2019 2018 2017 2015 2014 2012 2011 2007 2006

🔧 Reported Faults


🟢
Hyundai i30 2015 Timing chain rattle on cold start
2015 💰 $800–$3500 USD
1 fix
👁 2,282
🟢
Hyundai i30 2018 P0300 random misfire rough idle
P0300 2018
1 fix
👁 1,957
🟢
Hyundai i30 2017 Check engine light P0171 lean mixture
P0171 2017
1 fix
👁 1,789
🟢
Hyundai i30 2018 Timing chain rattle on cold start
2018 💰 $800–$3500 USD
1 fix
👁 1,779
🟢
Hyundai i30 2014 Catalytic converter P0420 code
P0420 2014 💰 $200–$1500 USD
1 fix
👁 1,642
🟢
Hyundai i30 2015 Engine overheating temperature gauge high
2015
1 fix
👁 1,528
🟢
Hyundai i30 2012 AC not blowing cold air compressor issue
2012
1 fix
👁 1,366
🟢
Hyundai i30 2012 Brake pads worn squealing noise
2012 💰 $150–$600 USD
1 fix
👁 1,160
🟢
Hyundai i30 2017 Fuel economy dropped poor MPG
2017
1 fix
👁 1,116
🟢
Hyundai i30 2017 1.4T P0299 boost pressure low
P0299 2017 💰 $200–$2000 USD
1 fix
👁 1,080
🟢
Hyundai i30 2014 Battery draining overnight parasitic drain
2014
1 fix
👁 1,064
🟢
Hyundai i30 2018 Alternator warning light battery not charging
2018
1 fix
👁 1,008
🟢
Hyundai i30 2012 P0300 random misfire rough idle
P0300 2012
1 fix
👁 951
🟢
Hyundai i30 2015 AC not blowing cold air compressor issue
2015
1 fix
👁 946
🟢
Hyundai i30 2014 Coolant leak from engine area
2014
1 fix
👁 907
🟢
Hyundai i30 2017 Alternator warning light battery not charging
2017
1 fix
👁 878
🟢
Hyundai i30 2017 Catalytic converter P0420 code
P0420 2017 💰 $200–$1500 USD
1 fix
👁 824
🟢
Hyundai i30 2022 Engine oil leak from valve cover
2022
1 fix
👁 790
🟢
Hyundai i30 2012 Front suspension clunking over bumps
2012 💰 $150–$1200 USD
1 fix
👁 764
🟢
Hyundai i30 2022 Front suspension clunking over bumps
2022 💰 $150–$1200 USD
1 fix
👁 712
🟢
Hyundai i30 2018 ABS warning light on
2018
1 fix
👁 703
🟢
Hyundai i30 2014 CVT transmission shudder and jerking
2014 💰 $150–$4000 USD
1 fix
👁 667
🟢
Hyundai i30 2022 P0300 random misfire rough idle
P0300 2022
1 fix
👁 516
🟢
Hyundai i30 2022 Fuel economy dropped poor MPG
2022
1 fix
👁 505
🟢
Hyundai i30 2015 Exhaust rattle noise from underneath
2015
1 fix
👁 340
Hyundai Ioniq 5 Long Term Battery Health Guide
2021 Medium
👁 23
Hyundai i30 1.4 T-GDI Timing Chain Rattle
2017 Medium
👁 22
Hyundai i30 Mk2 1.4 Petrol Timing Chain Rattle
2012 Medium
👁 22
Hyundai Tucson NX4 2.0 CRDi High Mileage
2021 Medium
👁 21
Genesis GV70 2.2D Timing Chain Cold Start
2021 Medium
👁 19
Genesis GV80 3.5T V6 Carbon Build-Up
2021 Low
👁 18
Hyundai i30 Tucson 1.6 CRDi DPF Forced Regen Procedure
2012 Medium
👁 18
Hyundai i30 Mk3 1.6 CRDi Turbo Actuator Failure
2017 Medium
👁 18
Hyundai Ioniq 5 6 Annual Health Check Guide
2021 Medium
👁 17
Hyundai i30 N 2.0 T-GDI High Pressure Fuel Pump Noise
2017 Low
👁 16
Hyundai i30 Front Suspension Clunk — Lower Arm Bushing
2007 Medium
👁 16
Hyundai i10 Mk3 1.0 MPI Timing Chain Rattle
2019 Medium
👁 16
Hyundai Santa Fe Mk2 AWD Rear Coupling Vibration
2006 Medium
👁 15
Hyundai i30 Fastback N Performance Pack Brake Squeal
2017 Low
👁 15
Hyundai Ioniq 6 Heat Pump Noise Winter
2022 Low
👁 14
Hyundai i30 Mk2 1.6 GDI Carbon Build-Up on Intake Valves
2011 Low
👁 12
Hyundai i20 N 1.6 T-GDI Intercooler Hose Split
2021 Medium
👁 12
Hyundai i30 1.6 CRDi DPF Blockage
2007 Medium
👁 11

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Own a Hyundai i30?

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

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🩺 Common Symptoms
P0300 — random misfire causing rough idle Timing chain rattle on cold start Catalytic converter — P0420 code AC not blowing cold air Fuel economy dropped — poor MPG Alternator warning light — battery not charging
🔢 Common OBD Codes
P0300 P0420 P0171 P0299
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