YearToAvoid

2006 Mitsubishi Endeavor Reliability Data: Problems & Recalls

Caution The 2006 Mitsubishi Endeavor has a Complaint Index of 67, ranking 3rd worst out of 7 model years, with a Caution verdict. It has 20 NHTSA complaints, 5 recalls, and the top problem area is the fuel system.

Based on NHTSA complaints per model-year, not a reliability rating. Methodology

YearToAvoid Scorecard

Complaint Index
67/100
#3 of 7 Endeavor years
Verdict
Caution
vs. other years of this model
Complaints
20
unique NHTSA reports
Recalls
5
distinct NHTSA campaigns
Crashes
3
reported in complaints
Fires
1
Injuries
1
Top issue
Fuel System
Best nearby year
2008
rated Good
NHTSA overall rating
Not rated
EPA combined MPG
17.5
15.5 city / 20.5 hwy
Injuries / deaths
1 / 0

Top 2006 Mitsubishi Endeavor problems

Share of this year’s NHTSA complaints by component group. Groups with 15+ complaints have their own page.

  1. Fuel System7 (35%)
  2. Electrical System5 (25%)
  3. Engine4 (20%)
  4. Other3 (15%)
  5. Structure & Body2 (10%)
  6. Transmission & Powertrain2 (10%)
  7. Brakes1 (5%)
  8. Seat Belts1 (5%)
  9. Visibility & Wipers1 (5%)

A complaint can list more than one component, so shares add up to more than 100%. Shares are % of complaints.

What owners report

  • Fuel filler pipe corrodes and leaks fuel, sometimes with the fuel light illuminating, at a median mileage of 135,000.
  • The radiator fan motor switch has been reported to short out and start fires.
  • Some owners report the vehicle stays in drive or fails to shift into park, allowing it to roll after parking.
  • The heater vent control switch has failed repeatedly even after dealer repairs tied to a related recall.
  • Owners describe the liftgate or its glass panel failing to open, sometimes actuating on its own while driving.
  • One owner reported a timing belt failure that caused the engine to shut off while driving with no warning light.
2006 Mitsubishi Endeavor complaints: complaints filed per month1Feb 2007Mar 2011Feb 2015Nov 2015Mar 2018Feb 2019Nov 2023
20 complaints filed with NHTSA from Feb 2007 to Sep 2026; peak Feb 2007 (1).

2006 Mitsubishi Endeavor recalls

5 NHTSA recall campaigns list this model year.

  1. NHTSA 10V514000Oct 20, 2010Electrical System19,410 vehicles

    Electrical system:software

    Mitsubishi is recalling certain model year 2006-2008 endeavor with manual air conditioning. Due to an incorrect heater (HVAC) controller signal, the air flow from the air vents may randomly change direction and/or the temperature may briefly cycle between hot and cold.

    Risk: This condition could affect defroster performance, resulting in poor windshield visibility and potentially cause a crash.

    Remedy: Dealers will inspect for damage and if necessary repair the mode door shaft free of charge. The safety recall began on december 7, 2010. Owners may contact mitsubishi at 1-800-222-0037.

  2. NHTSA 10V065000Feb 25, 2010Fuel System108,147 vehicles

    Fuel system, gasoline:storage:tank assembly:filler pipe and cap

    Mitsubishi is recalling certain model year 2004-2010 endeavor vehicles originally sold in or currently registered in the states of connecticut, delaware, illinois, indiana, iowa, kentucky, maine, maryland, massachusetts, michigan, minnesota, missouri, new hampshire, new jersey, new york, ohio, pennsylvania, rhode island, vermont, virginia, west virginia, wisconsin, and washington d.c. Cold states include north dakota, south dakota, nebraska, kansas, oklahoma, colorado, wyoming, montana, idaho, washington, oregon, and utah. Adjoining states include arkansas, tennessee, and north carolina. In severe corrosive environments where road salts are frequently used in winter vehicles may be exposed to road debris (mud) mixed with road salt. This material can become trapped between a reinforcing bracket and the fuel filler pipe, potentially causing corrosion. Over time, corrosion could create a leak in the fuel filler pipe that could result in a fuel leakage when fueling the vehicle.

    Risk: Fuel leakage, in the presence of an ignition source, could result in a fire.

    Remedy: Dealers will replace the fuel filler pipe with a new improved part free of charge. The safety recall is expected to begin on or before july 5, 2010. Owners may contact mitsubishi at 1-800-222-0037.

  3. NHTSA 08V454000Sep 9, 2008Fuel System45,988 vehicles

    Fuel system, gasoline:storage:tank assembly

    Mitsubishi is recalling 45,988 my 2005-2007 endeavor, galant, eclipse coupe, and my 2007 eclipse spyder vehicles. The bracket that is the attachment point for the left rear fuel tank mounting strap may have been improperly formed during a metal stamping process. The process may have caused the metal to have a split in the area where the bolt that holds one of the two fuel tank straps to the underside of the vehicle is located. In the event the fuel tank is full and the vehicle is subject to a severe collision, the bracket may break and allow the fuel tank to drop down, possibly causing a fuel leak.

    Risk: Fuel leakage in the presence of an ignition source could result in a fire.

    Remedy: Dealers will inspect to see if the left rear fuel tank strap mounting bracket has splitting beyond a specific limit. Vehicles with moderate to severe splitting will be repaired using a reinforcement cap, a special structural adhesive, and a rivet to reinforce the fuel tank mounting bracket. The recall began on september 20, 2008. Owners may contact mitsubishi at 1-800-222-0037.

See all 5 recalls for the 2006 Mitsubishi Endeavor →

2006 Mitsubishi Endeavor fuel economy and fuel cost

City
15.5 MPG
Highway
20.5 MPG
Combined
17.5 MPG
Annual fuel cost (EPA)
$4,575
15,000 mi/yr
Fuel
Premium
Current regular gas
$4.32/gal
national avg.

EPA figures; median across configurations of this model year. Estimate your own cost with the fuel cost calculator.

2006 compared with other Endeavor years

Complaint Index by model year (0 = fewest issues, 100 = most)02550751002005200620072008200920102011
Complaint Index: 0 = fewest issues, 100 = most, relative to other years of this model. Avoid Caution Good Best
YearVerdictIndexComplaintsRecallsMPG
2005Avoid10040617.5
2006Caution6720517.5
2007Caution5021517.5
2008Good1714317.5

All Mitsubishi Endeavor years: best and worst →

Frequently asked questions

Is the 2006 Mitsubishi Endeavor reliable?
Based on NHTSA owner complaints and recalls, the 2006 model has a Complaint Index of 67 and ranks 3rd worst among the 7 Endeavor model years with data, earning a Caution verdict.
What are the most common problems with the 2006 Endeavor?
Fuel system issues make up 35% of complaints, followed by electrical system problems at 25% and engine issues at 20%, according to NHTSA data.
Does the 2006 Endeavor have any recalls?
Yes, NHTSA lists 5 recall campaigns for the 2006 Endeavor covering the electrical system, fuel system, and seat belts.
What year Mitsubishi Endeavor should I avoid?
The 2005 model year has the highest Complaint Index at 100 and carries an Avoid verdict, while 2011 also carries an Avoid verdict with an index of 83. The 2006 model, with an index of 67, is rated Caution.
What is the fuel economy of the 2006 Endeavor?
EPA rates the 2006 Endeavor at 17.5 mpg combined (15.5 city / 20.5 highway), with an estimated annual fuel cost of $4,575.

Sources: NHTSA Office of Defects Investigation complaint and recall databases; U.S. EPA fuel economy data; NHTSA 5-Star Safety Ratings. Complaints are unverified owner reports.

Data updated Sep 24, 2026. Read the methodology and data sources. The Complaint Index is based on NHTSA owner complaints and recalls; it is not a reliability rating.