Mitsubishi›Montero›1994›3.0L/mitsubishi/montero/1994/3-0l/

1994 Mitsubishi Montero — 3.0L

Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 1994 Montero 3.0L.

Engine 3.0LTransmission Automatic 4-spd

The 1994 Mitsubishi Montero 3.0L pairs its 3.0-liter engine with a four-speed automatic transmission, returning EPA fuel-economy figures of 14 mpg city, 17 mpg highway, and 15 mpg combined and requiring 4.5 quarts of 20W-40, 10W-30, or 5W-30 API oil. Positioned early in a nameplate run that stretches from 1990 to 2006, the 1994 model year itself drew a comparatively modest 33 owner complaints and 5 recalls, with engine and engine cooling emerging as the most frequently cited issue area. That places it on the quieter side of a complaint arc that bottomed at a single report in 2005 but also crested at 174 in 2002, marking the early nineties Monteros as some of the more dependable entries in a generation that would grow considerably more troubled before the line ran out.

Model year1997 1996 1995 1994 1993 1992 1991 1990 1989

Quick specs

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

Engine oil capacity4.5 qtOEM · verified

Engine oil type20W-40 / 10W-30 / 5W-30 APIOEM · verified

EPA fuel economy14/17/15 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 MD136790. 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.

Tire size4WD:P225-75R15OEM · verified

Wheel / rim6-JJ inOEM · verified

OE service part numbers OEM · verified

Engine oil filter	MD136790
Engine air filter	MR571473 alt MR571471
Fuel filter	MB868452
Spark plug	MS851237 alt MS851501
Front wiper blades	MB683949
Serpentine belt	MB813344 alt MD187462
Thermostat	1305A191 alt MD972903

Full specifications

Engine, drivetrain, dimensions and economy.

Engine & drivetrain NHTSA vPIC

Transmission

Automatic 4-spd

Ratings & economy EPA / vPIC

EPA city / highway / combined	14 / 17 / 15 mpg
Drivetrain	4-Wheel or All-Wheel Drive
Recommended fuel	Regular Gasoline

Performance & power Independent road tests

0–60 mph, quarter-mile, horsepower and torque from independent road tests.

No 1994 road test on record; the results below are same-engine tests from nearby model years, each shown under its own year.

11.7–14.4 sec0–60 mph (tested)quickest 11.66 sec — 1989 LS

Year	Trim / engine	0–60	¼ mile	HP	Drivetrain
1992	SR 3.0L V6	12.20 sec	18.80 sec	150 hp	4x4
1992	SR 3.0L V6	14.40 sec	19.90 sec	150 hp	4x4
1991	LS 3.0L V6	13.40 sec	19.20 sec	141 hp	4x4
1989	LS 3.0L V6	11.66 sec	18.78 sec	143 hp	4x4
1989	LS 3.0L V6	13.00 sec	19.00 sec	143 hp	4x4

Service quick specs OEM factory data

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

This engine holds 4.5 qt of 20W-40 / 10W-30 / 5W-30 API engine oil, 85W-90 · 80W-90 in the differential, DOT 3 · DOT 4 brake fluid.

Lubricants & capacities

Brake Fluid	DOT 3 · DOT 4
Differential Gear Oil	85W-90 · 80W-90
Differential Gear Oil Capacity	5.3 Pints,
Engine Coolant	ETHYLENE GLYCOL
Engine Oil	20W-40 · API · 10W-30 · 5W-30
Engine Oil Capacity	4.5 qt
Power Steering Fluid	Use Mitsubishi PS fluid

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.

Every 7,500 mi	Brake Hydraulic System (inspect fluid level) · Clutch Master Cylinder (inspect fluid level) · Engine Oil (drain & refill) · Engine Oil Filter (replace) · Power Steering System (inspect)
Every 15,000 mi	Axle Shaft Oil Seal (inspect) · Brake Linings (inspect) · CV Joint Boot (inspect)
Every 30,000 mi	Accessory Drive Belt (inspect) · Brake System (inspect) · Differential (inspect fluid level) · Drive Axle Assembly (drain & refill) · Driveshaft U-Joint (inspect) · Engine Air Filter Element (replace)
Every 60,000 mi	Distributor Cap (inspect) · Distributor Rotor (inspect) · Fuel Evaporative Emission Control System (inspect) · Fuel Line (inspect) · Fuel Tank (inspect) · Fuel Tank Filler Cap (inspect)
Every 100,000 mi	EGR Valve (replace) · Fuel Evaporative Canister (replace) · PCV System (inspect)

Reliability & federal safety record

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

In 1994 the Montero experienced a sharp spike in consumer complaints, jumping to 33—more than double the previous year’s 12‑14 range and only matched later by the 1995 (99) and 1997 (98) peaks. Recall activity remained steady at five recalls, identical to 1993 and higher than the early‑1990s low of one‑two recalls, while investigations stayed at zero. Technical Service Bulletins (TSBs) also peaked at 33, continuing an upward trend that began in 1992 (27) and would climb to 90 by 1997. The dominant complaint areas were engine cooling (13 reports), service brakes (6) and suspension/exterior lighting (3 each), with only two crash‑related and no fire complaints. This pattern indicates that 1994 sits at the beginning of a volatility arc, suggesting higher-than‑average issue rates for the generation; prospective buyers should approach this year with caution and prioritize a thorough pre‑purchase inspection.

Open recalls

NHTSA campaigns

Service bulletins

Manufacturer communications

ODI investigations

Office of Defects Investigation

Owner complaints

2 involved a crash · 0 a fire

Owner complaints by model year NHTSA · this generation & adjacent

’90 ’91 ’92 ’93’94’95 ’96 ’97 ’98 ’99 ’00 ’02 ’04 ’05 ’06

Owner complaints filed with NHTSA, by component

All 33 complaints on record, top 8 components.

Engine & Engine Cooling13

Service Brakes, Hydraulic6

Suspension3

Exterior Lighting3

Structure2

Air Bags1

Seat Belts,Seats1

Steering1

Source: NHTSA Office of Defects Investigation complaint database.

Recalls NHTSA · verified

Showing 2 of 5 campaigns on record for this vehicle.

00V311001Engine And Engine Cooling:EngineReported 02/10/2000

VEHICLE DESCRIPTION: PASSENGER VEHICLES: MIRAGE MODEL VEHICLES EQUIPPED WITH 1.5L ENGINES; MONTERO SPORT MODELS EQUIPPED WITH 3.0L ENGINES; AND MONTERO MODELS EQUIPPED WITH 3.0L ENGINES. THE BOLT SECURING THE CRANKSHAFT… Remedy: ON THE MIRAGE VEHICLES, THE DEALERS WILL INSTALL A NEW, IMPROVED CRANKSHAFT PULLEY BOLT ON THE OLDER ENGINES. ON NEW ENGINES WHICH ALREADY HAVE THE IMPROVED BOLT, THE DEALER WILL…

00V226001Service Brakes, Hydraulic:Foundation Components:Hoses, Lines/Piping, And FittingsReported 15/08/2000

VEHICLE DESCRIPTION: PASSENGER VEHICLES. THE FRONT LOWER BRAKE HOSES CAN DEVELOP A CRACK, CAUSING A LOSS OF BRAKE FLUID. Remedy: DEALERS WILL REPLACE THE LEFT AND RIGHT LOWER BRAKE HOSES.

Technical service bulletins NHTSA · verified

Showing 5 of 33 bulletins on record with NHTSA.

Bulletin	Date	Component	Summary
TSB-22-54-003	2022-04-07	Exterior Lighting	This Technical Service Bulletin was sent to dealers to explain the difference between…
TT253	2019-11-26	Equipment	This is a service newsletter (Tech Talk) that was sent out to dealers.
TSB-19-00-008	2019-07-30	Equipment	This is a Technical Service Bulletin sent to dealers. This bulletin supersedes…
TT237	2018-02-26	Equipment	This is a service newsletter (Tech Talk) that was sent out to dealers.
TSB-13-42A-002	2013-01-29	Structure	This Technical Service Bulletin updates the door adjustment procedure in the Body Section…

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 Montero. 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.

Vehicles taking 4.5 qt Engine oil filter MD136790 Engine air filter MR571473 Fuel filter MB868452 Spark plug MS851237

Reference guides

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

Vehicle recalls & TSBs OBD-II trouble codes Maintenance schedules Fluid capacities & specs

Frequently asked

How much oil does the 1994 Montero 3.0L take?

4.5 qt of ABOVE 32 degrees F: 20W-40 API, ABOVE -10 degrees F: 10W-30 API, BELOW 60 degrees F 5W-30 API, per the factory manual.

Does the 1994 Montero have open recalls?

NHTSA lists 5 recall campaign(s) for this model year. Check your specific vehicle by VIN.

What gas mileage does the 3.0L get?

EPA figures are 14 city / 17 highway / 15 combined mpg.