LexusSC4001994Overview/lexus/sc400/1994/base/

1994 Lexus SC400

Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 1994 SC400.

Transmission Automatic 4-spd

The 1994 Lexus SC400, paired with a 4-speed automatic transmission and a 5-quart oil capacity using 10W-30 or 5W-30 API viscosity, delivers EPA-rated fuel economy of 16 mpg city, 22 highway, and 18 combined. Within the first-generation model run spanning 1990 to 2001, this year logged only 2 owner complaints—focused on engine and engine cooling—and zero recalls, placing it near the lowest complaint tally after the 1990 model’s single report and far below the 30 complaints of the 1992 peak, which firmly establishes the 1994 SC400 as a notably trouble-free vintage.

Model year200019991998199719961995199419931992

Quick specs

Fluid capacities, tune-up values and fuel economy at a glance.

Engine oil capacity5 qtOEM · verified
Engine oil type10W-30 / 5W-30 APIOEM · verified
EPA fuel economy16/22/18 mpgEPA · verified

Fitment & sizes

Replacement part sizes and factory part numbers — battery, bulbs, filters and belts.

From the factory this vehicle uses OE oil filter 90915YZZD3. Each part links to every other vehicle that shares it, so a part you already stock may fit more of your fleet than you'd expect.

OE service part numbers OEM · verified

Engine oil filter90915YZZD3
Engine air filter1780107020
Fuel filter2330050040
Spark plug9008091180
Front wiper blades8521224071 alt 8522220340
Serpentine belt9091602361
Thermostat90916A3003 alt 1632562010

Full specifications

Engine, drivetrain, dimensions and economy.

Engine & drivetrain NHTSA vPIC

TransmissionAutomatic 4-spd

Ratings & economy EPA / vPIC

EPA city / highway / combined16 / 22 / 18 mpg
DrivetrainRear-Wheel Drive
Passenger volume97 cu ft
Cargo volume13 cu ft
Recommended fuelPremium Gasoline

Service quick specs OEM factory data

Capacities, torques and tune-up values from the factory service manual.

This engine holds 5 qt of 10W-30 / 5W-30 API engine oil, GL-5 · 80W-90 in the differential.

Lubricants & capacities

Differential Gear OilGL-5 · 80W-90
Differential Gear Oil Capacity2.9 Pints
Engine Oil10W-30 · API · 5W-30
Engine Oil Capacity5 qt

Factory maintenance schedule OEM · verified

Normal service, condensed from the factory interval matrix.

Under the factory schedule, replace the engine oil and filter every 7,500 mi; spark plugs every 60,000 mi; coolant every 30,000 mi. The big-interval services (every 30,000 mi for coolant, and the transmission fluid) are the ones owners most often skip — on a lower-mileage example, assume the original fluids are still in it and check them first.

Every 7,500 miAccessory Drive Belt (inspect) · Engine Oil (drain & refill) · Engine Oil Filter (replace) · Tire & Wheel Assembly (rotate)
Every 15,000 miBody Latches, Locks & Hinges (inspect) · Brake System (inspect) · Differential (inspect fluid level) · Power Steering System (inspect) · Steering System (inspect) · Suspension System (inspect)
Every 30,000 miBrake Hydraulic System (drain, refill & bleed) · Engine Air Filter Element (replace) · Engine Coolant System (drain, flush & refill) · Exhaust System (Complete) (inspect) · Fuel Line (inspect)
At 45,000 miEngine Coolant System (drain, flush & refill)
At 60,000 miAccessory Drive Belt (inspect)
Every 60,000 miEngine Valves (inspect valve lash) · Fuel Evaporative Canister (inspect) · Fuel Tank Filler Cap O-Ring (inspect) · Spark Plugs (replace)

Reliability & federal safety record

Owner-reported issues, recalls, investigations and service bulletins on record with NHTSA — an unfiltered look at what owners actually experience.

The 1994 Lexus SC400 sits at a notably clean point in the generation's record. The model experienced a complaint spike in 1992 (30 complaints) followed by elevated complaints in 1993 (11), both years likely reflecting early production fixes being worked out; 1994 then drops to just 2 complaints with zero recalls and zero investigations—a dramatic improvement that suggests manufacturing refinements had taken effect. The 28 TSBs in 1994 indicate the manufacturer was still actively addressing technical service bulletins, but these were service-level bulletins rather than consumer-driven complaints. The target year's two complaints split between Engine/Cooling and Steering/Powertrain categories, with zero crash complaints and zero fire complaints, reinforce a picture of relative maturity in the platform. Compared to the 1995–1997 period, which saw renewed complaint activity and a recall resumption, 1994 represents the quietest operational year of the generation. The concrete takeaway: 1994 is among the strongest model years in this generation's federal record—low complaint activity, no recalls, and no crash or fire reports—making it a favorable year to purchase within this platform's lifecycle.

0
Open recalls
NHTSA campaigns
28
Service bulletins
Manufacturer communications
0
ODI investigations
Office of Defects Investigation
2
Owner complaints
0 involved a crash · 0 a fire
Owner complaints by model year NHTSA · this generation & adjacent

Owner complaints filed with NHTSA, by component

All 2 complaints on record, top 2 components.

Engine & Engine Cooling1
Steering,Power Train1

Source: NHTSA Office of Defects Investigation complaint database.

Recalls NHTSA · verified

No recall campaigns on record with NHTSA for this vehicle as of the last data refresh.

Technical service bulletins NHTSA · verified

Showing 5 of 28 bulletins on record with NHTSA.

BulletinDateComponentSummary
Safety Recall 222022-04-13EquipmentLexus Safety Recall and Service Campaign - Technician Certification Requirements 4.13.2022
Lexus PRO19-02 -2022-01-12TiresPOL: This consolidated Tire Warranty Guide contains the complete warranty terms for all…
Lexus Safety Re2020-05-01EquipmentSafety Recall and Service Campaign - Technician Certification Requirements
L-SB-0179-17 Obs2020-04-06EquipmentTSB: OBSOLETE NOTICE April 06, 2020: This bulletin is now obsolete. Please see…
L-SB-0008-202020-04-06EquipmentTSB: SUPERSESSION NOTICE The information contained in this bulletin supersedes Service…

Common OBD-II trouble codes

The most common OBD-II codes for this vehicle's emissions system. These are standardized SAE J2012 definitions, not vehicle-specific fault reports.

P0420
Catalyst system efficiency below threshold — Bank 1
P0300
Random / multiple cylinder misfire detected
P0171
System too lean — Bank 1
P0455
Evaporative emission system leak detected — large leak
P0128
Coolant thermostat below regulating temperature
P0442
Evaporative emission system leak detected — small leak

VIN tools

Decode factory build data for a specific vehicle by VIN.

VIN
Decode a VIN to confirm the transmission and build data for a specific SC400. OEM
Build data
Plant, GVWR class, engine and body data for any 17-character VIN.
Recalls
Check open recall campaigns against a specific vehicle by VIN.

Vehicles with shared specs

Find every vehicle that shares this one's battery, bulbs, oil capacity, platform or parts.

Reference guides

Cross-vehicle references for the kinds of data on this page.

Frequently asked

How much oil does the 1994 SC400 take?

5 qt of ABOVE 0 degrees F: 10W-30 API, BELOW 100 degrees F: 5W-30 API, per the factory manual.

Does the 1994 SC400 have open recalls?

NHTSA lists 0 recall campaign(s) for this model year. Check your specific vehicle by VIN.

What gas mileage does the SC400 get?

EPA figures are 16 city / 22 highway / 18 combined mpg.