1994 Mitsubishi Diamante: Recalls, Problems & MPG
Here are the deets on the 1994 Mitsubishi Diamante: 2 recalls, 27 owner complaints and up to 18 mpg combined.

Recalls
2 vehicle recalls from the manufacturer. Repairs are free. Check your VIN to see if one is still open on your car.
Brakes (hydraulic) Vehicle recall #96V143001 · 1996 · 93,000 vehicles
What's wrong: Under conditions of full lock steering and full suspension travel, the left or right front wheel-side brake hose can crack, resulting in brake fluid leakage.
Why it matters: Brake fluid leakage will cause illumination of the brake warning lamp and reduction in braking efficiency increasing the risk of a vehicle accident.
The fix: Dealers will replace the left and right front wheel-side brake hoses with revised hose assemblies.
Brakes (hydraulic) Vehicle recall #96V143002 · 1996 · 10,000 vehicles
What's wrong: Under conditions of full lock steering and full suspension travel, the left or right front wheel-side brake hose can crack, resulting in brake fluid leakage.
Why it matters: Brake fluid leakage will cause illumination of the brake warning lamp and reduction in braking effectiveness increasing the risk of a vehicle accident.
The fix: Dealers will replace the left and right front wheel-side brake hoses with revised hose assemblies.
Most-reported problems
Owner complaints filed with NHTSA, by component. One complaint can list several components. 0 mention a fire, 2 injuries and 0 deaths were reported.
What owners describe
- Airbags (6): the most common themes are fails to deploy (2).
- Brakes (hydraulic) (6): no single recurring theme in the descriptions.
- Seat belts (4): no single recurring theme in the descriptions.
- Tires (3): the most common themes are tire tread / blowout (3).
The 1994 Mitsubishi Diamante has 27 owner complaints, ranking #8 of 12 Diamante model years for complaints (about average; the typical year has 42). Complaints peaked in 1995 (5 filed that year). The typical problem showed up when the car was about 4 years old, at a median of 50,015 miles. Neighboring years: 1993 (29 complaints, 3 recalls), 1995 (12 complaints, 0 recalls).
Engines & fuel economy (EPA)
| Engine | Transmission | Drive | City | Hwy | Comb. | Fuel |
|---|---|---|---|---|---|---|
| 3.0 L 6-cyl | Automatic 4-spd | Front-Wheel Drive | 16 | 22 | 18 | Premium |
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 1994 Mitsubishi Diamante.
Closest thing to the factory manual for most years. Pay once, keep it.
Most $25–$78, one-timePro-shop repair procedures, wiring diagrams and TSBs for your exact car.
From $19.99/mo · $39.99/yrOEM procedures, specs and recall/TSB info, the same source many shops use.
From $19.99/mo · $59.99/yrStep-by-step photos written from a real teardown. Great for first-timers.
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FAQ
Does the 1994 Mitsubishi Diamante have any recalls?
Yes. NHTSA lists 2 vehicle recalls for the 1994 Mitsubishi Diamante. Recall repairs are free at any dealer, no matter how old the car is. Check your VIN at nhtsa.gov/recalls.
What are the most common 1994 Mitsubishi Diamante problems?
Owners have filed 27 complaints with NHTSA. The most-reported areas are airbags (6), brakes (hydraulic) (6), seat belts (4).
What gas mileage does the 1994 Mitsubishi Diamante get?
EPA ratings run up to 18 mpg combined (3.0 L, Automatic 4-spd), across 1 engine and transmission combos.
Where can I get a 1994 Mitsubishi Diamante 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.