2005 Mercury Montego engine problems
10 owner complaints filed with NHTSA name the engine on the 2005 Mercury Montego — 7% of all complaints for this model year.
What owners report
“Car runs great for about 20 minutes then I get a surge in the engine, dash cluster goes dead, car jerks and I lose power randomly. Everything comes back on but will go out multiple times getting worse everytime. I have lost power to transmission once, no forward or reverse. Replaced the dash…”
filed Jul 1, 2016
“Tl* the contact owns a 2005 mercury montego. While driving 15 mph around a corner, the vehicle jerked and the check engine and fail safe mode warning lights illuminated. The vehicle was taken to the dealer where it was diagnosed that the throttle body control unit failed and needed to be replaced…”
filed Apr 5, 2016
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
The Powertrain Control/Emissions Diagnosis (PC/ED) manual has been revised for diagnosing electronic throttle bodies (ETBs). The ETC_ACT and ETC_DSD PIDs should not used to diagnose possible ETB concerns. The IDS has a…
SSM 46085 · Service Bulletin/Repair Instructions · issued Sep 21, 2016Ford: see document search button for owner letter. Momentary engine idle rpm surge may be intermittent and may occur, due to deposits buildup in throttle body, at low speeds, while parking or entering driveway and check…
CSP-12N03 · Service Bulletin/Repair Instructions · issued Nov 29, 2012MIL WITH DTC P0106 AND/OR P0109. *KB
19722 · Service Bulletin/Repair Instructions · issued Apr 1, 2007
Engine problems in other Montego years
| Year | Reports | Share |
|---|---|---|
| 2007 Montego | 2 | 6% |
| 2006 Montego | 18 | 21% |
Other reported problem areas on the 2005 Mercury Montego
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.