2001 Mitsubishi Diamante: Recalls, Problems & MPG
Here are the deets on the 2001 Mitsubishi Diamante: 2 recalls, 78 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.
Equipment Vehicle recall #04V067000 · 2004 · 134,000 vehicles
What's wrong: Certain sport utility and passenger vehicles fail to comply with Federal Motor Vehicle Safety Standard no. 225, "child restraint anchorage systems." the owner's manual does not contain a step-by-step description for headrest adjustment when installing a child restraint system (crs) tether strap.
Why it matters: If the tether strap is improperly installed to the tether anchor, the child safety seat May not be sufficient restrained. In the event of a crash, the child could be injured.
The fix: A letter outlining the problem will be sent to owners along with a sticker containing the correct instructions as well as instructions on where to affix the sticker in the owner's manual. The recall began on March 29, 2004. Owners should contact Mitsubishi at 1-888-648-7820.
Equipment Vehicle recall #04V428000 · 2004 · 100,432 vehicles
What's wrong: Certain passenger vehicles fail to conform to the requirements of Federal Motor Vehicle Safety Standard no. 208, 'occupant crash protection.' the bilingual english/spanish removable air bag warning labels affixed to the dash and to the sunvisor do not meet the size requirements of the standard.
Why it matters: This does not meet the requirements of the standard.
The fix: Mitsubishi caribbean will mail a customer notification letter containing a written description and a graphic of the bi-lingual dashboard air bag warning label. In addition, all current 2000-2004 nativa owners will also receive replacement air bag alert labels for the sun visors. This recall is…
Most-reported problems
Owner complaints filed with NHTSA, by component. One complaint can list several components. 0 mention a fire, 6 injuries and 0 deaths were reported.
What owners describe
- Visibility (wipers, glass) (56): the most common themes are leaks (19), fire / smoke (9), noise or vibration (2).
- Engine & cooling (14): the most common themes are leaks (6), electrical failure (3), stalls / loses power (2).
- Transmission & drivetrain (4): the most common themes are leaks (2).
- Brakes (hydraulic) (4): no single recurring theme in the descriptions.
The 2001 Mitsubishi Diamante has 78 owner complaints, ranking #2 of 12 Diamante model years for complaints (1.9× the average Diamante year). Complaints peaked in 2005 (32 filed that year). The typical problem showed up when the car was about 4 years old, at a median of 59,750 miles. Neighboring years: 2000 (51 complaints, 3 recalls), 2002 (123 complaints, 3 recalls).
Engines & fuel economy (EPA)
| Engine | Transmission | Drive | City | Hwy | Comb. | Fuel |
|---|---|---|---|---|---|---|
| 3.5 L 6-cyl | Automatic 4-spd | Front-Wheel Drive | 16 | 23 | 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 2001 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.
Books ~$30–$40 · AllAccess $34.99/moHeads up: we may earn a commission if you buy through these links, at no extra cost to you. Prices checked 2026-10 and can change. We never host or link to pirated manuals. Disclosure
FAQ
Does the 2001 Mitsubishi Diamante have any recalls?
Yes. NHTSA lists 2 vehicle recalls for the 2001 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 2001 Mitsubishi Diamante problems?
Owners have filed 78 complaints with NHTSA. The most-reported areas are visibility (wipers, glass) (56), engine & cooling (14), transmission & drivetrain (4).
What gas mileage does the 2001 Mitsubishi Diamante get?
EPA ratings run up to 18 mpg combined (3.5 L, Automatic 4-spd), across 1 engine and transmission combos.
Where can I get a 2001 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.