MotorDeets

2003 Lexus LS430: Recalls, Problems & MPG

Here are the deets on the 2003 Lexus LS430: 0 recalls, 23 owner complaints and up to 19 mpg combined.

0vehicle recalls
23owner complaints
3mention a crash
19best combined mpg
2003 Lexus LS430
Photo: Retired electrician · CC0 · Wikimedia Commons. Representative photo of this generation; trim may differ.

Recalls

No recalls on file for this model year. Still worth a VIN check.

Most-reported problems

Owner complaints filed with NHTSA, by component. One complaint can list several components. 0 mention a fire, 9 injuries and 0 deaths were reported.

Body & structure8
Speed control / throttle3
Airbags3
Tires2
Seat belts1
Fuel system1
Equipment1
Transmission & drivetrain1

What owners describe

The 2003 Lexus LS430 has 23 owner complaints, ranking #4 of 5 LS430 model years for complaints (about average; the typical year has 31). Complaints peaked in 2010 (5 filed that year). The typical problem showed up when the car was about 6 years old, at a median of 45,000 miles. Neighboring years: 2002 (30 complaints, 0 recalls), 2004 (28 complaints, 2 recalls).

Engines & fuel economy (EPA)

EngineTransmissionDriveCityHwyComb.Fuel
4.3 L 8-cylAutomatic 5-spdRear-Wheel Drive172319Premium

Want the full repair deets? Get the factory manual.

Recall and complaint data tells you what goes wrong. A service manual tells you how to fix it: torque specs, wiring diagrams, fluid capacities and step-by-step procedures for the 2003 Lexus LS430.

eManualOnline Download (PDF), keep forever

Closest thing to the factory manual for most years. Pay once, keep it.

Most $25–$78, one-time
Check 2003 Lexus LS430 manual
Mitchell 1 DIY Online access, factory-level data

Pro-shop repair procedures, wiring diagrams and TSBs for your exact car.

From $19.99/mo · $39.99/yr
Check 2003 Lexus LS430 manual
ALLDATAdiy Online access, factory OEM info

OEM procedures, specs and recall/TSB info, the same source many shops use.

From $19.99/mo · $59.99/yr
Check 2003 Lexus LS430 manual
Haynes Print book or AllAccess online

Step-by-step photos written from a real teardown. Great for first-timers.

Books ~$30–$40 · AllAccess $34.99/mo
Check 2003 Lexus LS430 manual

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FAQ

Does the 2003 Lexus LS430 have any recalls?

NHTSA doesn't list any vehicle recalls for the 2003 Lexus LS430. Check your VIN at nhtsa.gov/recalls to be sure.

What are the most common 2003 Lexus LS430 problems?

Owners have filed 23 complaints with NHTSA. The most-reported areas are body & structure (8), speed control / throttle (3), airbags (3).

What gas mileage does the 2003 Lexus LS430 get?

EPA ratings run up to 19 mpg combined (4.3 L, Automatic 5-spd), across 1 engine and transmission combos.

Where can I get a 2003 Lexus LS430 repair manual?

eManualOnline sells downloadable manuals, Mitchell 1 DIY and ALLDATAdiy sell online access to factory repair data, and Haynes sells printed guides and online access. Pick a download if you want to keep it, or a subscription for wiring diagrams and TSBs.

Other LS430 years

20012002200320042005