2003 Chevrolet Impala Chevrolet Impala 2003

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

Join Us

2003 Chevrolet Impala repairs by problem area

Engine (45%)

Transmission and Drivetrain (4%)

Brakes and Traction Control (7%)

Suspension and Steering (21%)

Electrical and Air Conditioning (21%)

Paint, Rust, Leaks, Rattles, and Trim (0%)

Other (3%)

Select a problem area

Show all problems

Need advice about a specific Chevrolet Impala problem?

Chart based on 73 repairs.
See TSBs and recalls for the 2003 Chevrolet Impala.

2003 Chevrolet Impala engine repair cost distribution

$2500+ (0%)

$1000 - $2499 (3%)

$500 - $999 (10%)

$100 - $499 (57%)

< $100 (30%)

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

Chart based on 30 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.

2003 Chevrolet Impala

Engine not specified

210000 mi

US $175
I could not pass a obd test so they said it was my egr system 

Return to top

2003 Chevrolet Impala 4dr Sedan

200-horsepower 3.8L V6 4-speed automatic FWD

71873 mi Fuel filter changed and fuel injectors cleaned. Catalytic convertor replaced under warranty. It was likely fouled due to other contributing problems and set the check engine light on. 
112000 mi

US $150
REPLACE PLUGGED CATALYTIC CONVERTER 
91000 mi

US $583
Coolant leak - intake manifold gasket replaced 
92000 mi

US $475
Ignition, but car would not start. Mass air flow sensor had failed and was replaced. 
96000 mi

US $450
Difficulty starting and power loss while driving. Ignition switch was faulty and replaced. 
71300 mi

C $325
Section of stainless steel exhaust system replaced. First repair to this system. 
76260 mi

C $525
Technically, the automobile was not at fault. The car refused to start because 9 wires had been chewed by an unidentified rodent. Included in this amount was time spent diagnosing the ABS/ traction control malfunction( sensor failure on left rear wheel) and the occasional malfunction of drivers side airbag( sensor). The air bag issue will definitely be repaired in the near future. The cruise control occasionally refuses to work and the car occasionally stalls immediately after starting and both of those issue will be addressed if and when they worsen. 
91000 mi

US $300
Check engine light 
95000 mi

US $131
Evaporative purge valve 
204600 mi

C $35
The engine cooling overheat warning came on & steam came out from under the hood. Turns out the block heater element had popped out & all of the coolant was lost. The retention bar had corroded away. Replace with a new element & coolant. 
134000 mi

US $50
Catalytic converter replaced 
162000 mi

US $200
Intake manifold gaskets Valve cover gaskets 
195000 mi

US $100
Ignition module, plug wires and coil replaced. 
226000 mi

US $100
Water pump replace 
129000 mi

US $250
Leak in cooling system, replaced hoses, reservoir. 
124000 mi ignition switch recall - affecting AC / fan power as well 

Return to top

2003 Chevrolet Impala 4dr Sedan

180-horsepower 3.4L V6 4-speed automatic FWD

148000 mi

US $90
Took car to mechanic for cooling system diagnosis. Mechanic found leak at timing cover gasket. Repair estimated at $1450 (14 hours labor at $90 an hour). 
215000 mi Leaking valve cover 
189000 mi

US $243
Replace the the cat.converter 
84500 mi

US $187
Oil sending switch leaking, replaced while car was in for oil change 
111823 mi

US $770
Exhaust leak (loud) required replacement of resonator, muffler and center pipe.  
166000 mi

US $18
Replaced fuel injector o-rings 
133000 mi

US $2225
Purchased car with CEL on, would not pass NYS inspection. Replaced 2 O2 sensors, plugs/wires.  Replaced Catalytic Converter. Also repaired coolant leak caused by intake manifold and hoses. New thermostat, fuel filter, oil change, new tires. 
143200 mi

US $490
Observed coolant under hood and coolant loss. Shop found water pump was leaking. 
144900 mi

US $450
Hole in exhaust pipe after catalytic converter, exhaust very loud. Entire exhaust system after cat replaced. Check engine light (MIL) on. Shop replaced catalytic converter under part warranty and reset computer, MIL has remained off. No parts or labor charge for this repair. 
146200 mi

US $55
Weld in exhaust system broke, muffler totally disconnected and pipe hanging down, shop fixed under warranty. Fuel filter seeping, shop would not perform welding without first replacing filter. 

Return to top

2003 Chevrolet Impala 4-door

4-cylinder automatic 2WD

35000 mi

US $126
Replaced canister purge solenoid. Was also told steering column flex coupling (intermediate shaft) should be replaced. 
35600 mi

US $250
Had another sensor replaced. Check engine came on again after 2 days. Had another sensor replaced. Do not have paperwork with me but it had something to do with gas. Check engine light has not come on since. 

Return to top

See TrueDelta's information for all Sedans
See TrueDelta's information for all Chevrolet models.

2003 Chevrolet Impala 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 Chevrolet Impala problems occur, check out our car reliability stats.