2003 Infiniti I Infiniti I 2003

We are 103,000+ car owners sharing real-world car information.

Join Us

2003 Infiniti I repairs by problem area

Engine (48%)

Transmission and Drivetrain (2%)

Brakes and Traction Control (6%)

Suspension and Steering (25%)

Electrical and Air Conditioning (17%)

Paint, Rust, Leaks, Rattles, and Trim (2%)

Other (0%)

Chart based on 48 repairs.
See TSBs and recalls for the 2003 Infiniti I.

2003 Infiniti I engine repair cost distribution

$2500+ (0%)

$1000 - $2499 (9%)

$500 - $999 (22%)

$100 - $499 (39%)

< $100 (30%)

Worried about potential repair costs? An extended warranty can provide peace of mind.

Chart based on 23 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.

2003 Infiniti I

Engine not specified

109000 mi

US $580
Passenger side engine mount replaced. 

Return to top

2003 Infiniti I 4dr Sedan

255-horsepower 3.5L V6 4-speed automatic FWD

127420 mi

C $1080
Replace exhaust system 
225660 mi

C $65
Exhaust leak. Was repaired 
228160 mi

C $200
crankshaft sensor was not working so car wouldn't start....after a few tries it eventually started...took it in and had sensor replaced 
238080 mi Leaking engine oil from a gasket near the tranny. 
80600 mi

C $600
Crank position sensor replaced 
86180 mi

C $600
Rad replaced. Started leaking near the top. 
128000 mi

US $30
Replace Camshaft Sensor 
131000 mi

US $20
Replaced oil pan gasket. 
105000 mi

US $140
Radiator started leaking, replaced radiator and cap. 
119700 mi

US $200
Attempted to fix pinging problem 
126000 mi

US $300
Car starting running poorly and dying. Replaced cam and crank position sensors according to an old recall. Problem not fixed. Flushed engine and thoroughly cleaned Variable Intake Valve Timing Control Solenoids. Problem fixed. 
116000 mi

US $20
Hose under car connecting the fuel evaporation canister broke. Probably a rock hit and broke it. 
155500 mi

US $150
Gas cap leaking, caused evap canister engine code. New gas cap fixed it for $15. Also stopped trying to overfill tank, may have saturated the canister. Did General maint of trans flush, front brakes, PS flush, filters, belts, wipers, rotate 
175000 mi

US $500
radiator cracked, was replaced. Flushed cooling system and refilled. 
116000 mi

US $150
Car overheating, replaced thermostat and radiator cap 
151300 mi

US $330
It was the bad crank shaft sensor, according to my mechanic, the car was drivable, with service engine light on, part was ordered the same day car is fixed. Total cost including labor $330. This is the first failure after 150K.  
89000 mi I noticed when the engine would rattle when revved at normal operating temp and in park. Infiniti dealer said catalytic converter had an internal failure and it was replaced under warranty 
84000 mi Cam sensor failed 
88000 mi

US $1500
Several cracks in exhaust system, including Y-pipe from engine to exhaust and the rear portion of the exhaust pipe system 
147000 mi

US $400
Motor mounts 
147000 mi

US $800
Spark plugs, coils, oil cooler gasket. Drive belts. 
130000 mi

US $350
Coolant was getting low. Found tiny crack at top of radiator. Replaced radiators to fix. Also replaced thermostat and hoses as preventative. Replaced coolant with OEM and burped system until heater blew hot. 

Return to top

See TrueDelta's information for all Infiniti models.

2003 Infiniti I 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 Infiniti I problems occur, check out our car reliability stats.