2005 Mercury Mountaineer Fuel system Problems
- Complaints
- 3about this part
- Share
- 4%of 82 total for the year
- Median mileage
- 54,522miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 3 complaints about the fuel system of the 2005 Mercury Mountaineer, 4% of the 82 complaints for this model year. Where a mileage was given, the median is 54,522 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“Without warning of any kind the engine quits under 35 MPH, sometimes with cruise control on. After car rolls to a stop, it can restart right away. Loss of power steering and brakes. Dealer says no codes to back up complaint. This has as happened at least 3x spread over 35,000 odometer miles.”
NHTSA complaint #10274542, filed 2009-06, 35,000 milesRelated service bulletins
- 10021052Feb 27, 2007Mil on with dtc p0463 or erratic fuel gauge operation.
- 10019379Jan 1, 2006Malfunction indicator lamp on with pcm diagnostic trouble code p0463 and/or ic diagnostic trouble code b1201 - fuel gauge drops to empty or slow to update after refueling.
- 10013388Oct 31, 2005Fuel gauge slow to update after refueling.
Fuel system: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2010 | 2 | 15% |
| 2008 | 3 | 3% |
| 2007 | 1 | 1% |
| 2006 | 5 | 4% |
| 2005 | 3 | 4% |
| 2004 | 2 | 1% |
| 2003 | 7 | 5% |
| 2002 | 8 | 2% |
| 2000 | 3 | 2% |
| 1999 | 2 | 1% |
| 1998 | 5 | 2% |
| 1997 | 6 | 2% |
Other parts of the 2005 Mercury Mountaineer
26 complaintsTransmission and drivetrain
19 complaintsVehicle speed control
13 complaintsEngine
7 complaintsBrakes
5 complaintsElectrical system
5 complaintsEngine cooling
5 complaintsSteering
5 complaintsOther or unknown
4 complaintsVisibility (wipers, defrost, mirrors)
4 complaintsAir bags
3 complaintsEquipment
2 complaints
← All problems reported for the 2005 Mercury Mountaineer
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology