2003 Hyundai Elantra Hyundai Elantra 2003

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2003 Hyundai Elantra repairs by problem area

Engine (36%)

Transmission and Drivetrain (13%)

Brakes and Traction Control (14%)

Suspension and Steering (15%)

Electrical and Air Conditioning (10%)

Paint, Rust, Leaks, Rattles, and Trim (6%)

Other (5%)

Chart based on 168 repairs.
See TSBs and recalls for the 2003 Hyundai Elantra.

2003 Hyundai Elantra engine repair cost distribution

$2500+ (0%)

$1000 - $2499 (7%)

$500 - $999 (15%)

$100 - $499 (39%)

< $100 (39%)

Chart based on 54 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.

2003 Hyundai Elantra

Engine not specified

74000 mi

US $200
Replace downstream oxygen sensor. 
122200 mi

US $800
Engine light with difficulty accelerating/shifting. Spark plugs/wires changed, problem fixed for ~1 week, returns now with transmission issue and cracked catalytic converter. 
123000 mi Engine locked up while driving on interstate. Req's new engine - car is being sold for scrap. 
124620 mi

C $199
Flex Pipe was damaged. Engine light was on with Error code for SLow response at O2 sensor at lower stream. Hyundai said to replace whole pipe including catalytic converter, too expensive, flex welded at Midas. 
134540 mi

C $1600
Oil was leaking from top of engine (rocker Gasket was leaking.) 
52000 mi

US $1191
Check engine light on because vehicle needed new catalytic converter. New spark plugs. Replaced alternator belt myself. 

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2003 Hyundai Elantra 4dr Sedan

135-horsepower 2.0L I4 5-speed manual FWD

113000 mi

US $50
Oil Leak. 
110000 mi Intermittent starting issue 
140000 mi Replaced cracked radiator. 
125000 mi

US $242
O2 sensor... 2nd sensor I've replaced. 
US $560 replaced cat. converter 
3700 mi Throttle adjustment 
31990 mi Fuel pressure damper 
66946 mi

US $290
Timing belt, drive belts; Replace fuel pump (warranty recall, no charge) 
178581 mi

US $50
Fuel pressure damper 
69500 mi

US $250
gasket leak 
97000 mi

US $150
leak in fuel line, line replaced where needed 
90000 mi

US $855
New oil pan due to oil shop tearing the aluminum oil pans threads. 
125000 mi

US $550
Catalytic converter had failed sometime in last 8 months. Replaced. $1100 OEM 
148000 mi Replaced exhaust because it was rusted. Replaced timing belt and power steering belt 
74000 mi

US $398
Failed Air Intake Control Valve (AICV). Vehicle would shut down after two minutes at idle. Difficult to diagnose for technician--no codes. Part not in stock. 

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2003 Hyundai Elantra 4dr Sedan

135-horsepower 2.0L I4 4-speed automatic FWD

129000 mi

US $300
Car would drive fine for a while then go into "limp mode" Also, noticed that the speedometer would go crazy every once-in-a-while. Replaced O2 sensors, spark plugs and wires. Problem persisted. Replaced input speed sensor. Problem gone. 
130000 mi

US $90
Trouble starting and hesitation/studdering when accelerating. Engine would sometimes go into "limp mode". Wouldn't go above 15mph. I replaced the ISS, didn't work, so then I replaced the fuel filter and fuel pump. Runs perfectly. 
161000 mi

US $460
Timing belt and oil leak 
129000 mi

US $50
The engine was stalling when coming to a stop. Mechanic couldn't figure out why. It was severely low on coolant and after adding coolant, the problem worked itself out. It never showed a sign of overheating until the mechanic looked at it 
61000 mi

US $500
AC went out, turned out that the car was running hot which caused the computer to turn off the AC. Replaced thermostat, upper and lower hoses, added coolant and recharged AC. 
128200 mi

US $150
Thermostat failed in the closed position and caused the radiator to blow. 
151000 mi

US $129
Flex on exhaust was replaced due to holes in it and surrounding pipe. 
65000 mi spark plug seal broken which caused oil to be burned in engine resulting in catalytic converter problems later 
125000 mi catalytic converter on the exhaust manifold has gone bad. approx cost of repair is around 800 or more 
41425 mi Check engine light with code P0455 Evaporative Emission Control - Purge valve fault. Purge valve is replaced under the warranty. 
88000 mi

US $300
Two catalysts toasted. Removed the first and replaced the second with aftermarket 
97000 mi

US $250
A damper pulley was cracked and replaced 
74000 mi car was making an exhaust leak sound, then I got a check engine light. I brought the car to Midas they said that the flex hose had a break and that was causing the exhaust leak. The flex hose was covered under the Hyundai Warantee. 
82000 mi

US $144
Replaced leaking radiator. 
105000 mi

US $960
Oil leak.  
83700 mi

C $240
radiator exploded 
86800 mi

C $75
Engine check light. Replaced gas tank cap. 
99200 mi leaking engine cover gasket, needed timing belt. all of these would have cost $2,000, got rid of car. 
12000 mi Fuel Pressure Regulator replacement. Replaced under warranty. 
20000 mi Fuel Pressure Regulator replacement. Dealer replaced as a precaution, I had not experienced any problems. Replaced under warranty. 
69000 mi

US $150
Replace MAP sensor. 
91000 mi

US $95
Replaced Canister Purge Solenoid (for P0441) 
98000 mi

US $500
Radiator was leaking out of the top near filler cap. Replaced under extended warranty. Cost would have been ~$500 

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2003 Hyundai Elantra 4dr Hatch

turbocharged 111hp 2.0L I4 Diesel 5-speed manual FWD

166000 mi Diesel pump had a slight leak which made starting the car difficult in the mornings. Removed pump and took to a diesel engine specialist who replaced all the seals. Hyundai dealer had told me I needed a new pump at $1200! Pump now refitted. All OK 

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2003 Hyundai Elantra 4dr Hatch

135-horsepower 2.0L I4 5-speed manual FWD

150 mi Coolant hose re-attached (leaked, overheated) and sunroof rails lubricated (noisy). 
85000 mi Valve cover gasket oil leak (minor). 
96000 mi

US $550
Radiator cracked catastrophically. 
110300 mi

US $1100
Replace clutch, brake pads, oil change.  
60140 mi

C $350
Timing belt and water pump change. Sparkplugs and coolant. 
69440 mi engine would not fire, but would crank over. Ground issue with coilpacks. Cleaned contacts and re-ran battery ground 
111600 mi

C $75
rear engine mount torn 
125240 mi

C $300
radiator leaking at top, small leak. replaced radiator and fluid 
90000 mi

US $420
check engine light on, poor acceleration. O2 sensor replaced cracked serpentine belt. Replaced 
90000 mi

US $1500
clutch slipping. replaced timing belt replacement 
145000 mi evap system code p0445, large leak in evap system. can't find leak. replace tubes with hose. still same code. 

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2003 Hyundai Elantra 4dr Hatch

135-horsepower 2.0L I4 4-speed automatic FWD

50000 mi

US $300
Catalytic converter rusted and needed replacement. 

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2003 Hyundai Elantra 4-door

4-cylinder automatic 2WD

89000 mi

US $304
catalytic converters 

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See TrueDelta's information for all Sedans and Coupes.
See TrueDelta's information for all Hyundai models.

2003 Hyundai Elantra Engine Problems

See our lemon odds and nada odds page to see vehicles with no repairs or vehicles with more than three repairs. To see how frequently 2003 Hyundai Elantra problems occur, check out our car reliability stats.