A defective electronic throttle body (ETB) can cause the Check Engine Light to illuminate and could have limited to no throttle response. Our technicians tall us that replacing the electronic throttle body will commonly correct this concern.Google+
Car Problem Reports
Mercury Montego Wrench Light, Service Engine Soon Light, Possible Poor Throttle Response
Mercury Montego Problem
Average Mileage: 94,833 mi (50,000 mi - 178,000 mi)
Visitor, 2005 Mercury Montego, 100,000 mi
Freequently when shifting from neutral to reverse, or sometimes from neutral to drive, the car surges. It does it more freequently when the engine is hot from driving around (like running errands and backing in and out of parking spaces) Once, we got the wrench light, but it went off after re-starting the car. Once the car went into "limp home mode" but again, after turning it off, letting it cool, and starting it again, it was back to normal. Another time the check engine light came on, so we took it in to have the codes read. The mechanic cleaned the mass air flow sensor as it looked "extra dirty" A couple days later, the problem came back. Now, about a month after the mass air flow sensor was cleaned, we did a lot of stop and go driving, backing in and out of a couple driveways and parking lots, and the check engine light came back on. By the time we could get it to the mechanic, the check engine light was no longer on and of course the mechanic could not get it to duplicate the problem.
Visitor, 2006 Mercury Montego, 86,000 mi
Wrench light on dash came on. Down with power and up with rpms. Limped it to work and after turning engine off and restarting no further problems until today, then 2x in one day!!! Worried this could cost me!!! A lot!!!
Visitor, 2005 Mercury Montego, 89,000 mi
check eng and trans light and wrench lights
Visitor, 2006 Mercury Montego, 178,000 mi
I have the same problem. Took to dealer and need a new Throttle body and software updates. $$$$ About $1,000.00 but...this is the first major repair on this vehicle - why did they stop making the CVT transmission and this line of vehicle
Visitor, 2006 Mercury Montego, 66,000 mi
While driving on express ways the car almost shuts down like as if its gonna stop,wrench light and engine light pops up. Cant go over 50 when this happens. Havn't got it fixed. to expensive. think i should get another car.
Visitor, 2005 Mercury Montego
hesitation in shifting with auto trans...car was due for transmission flush. check engine light on. took to dealership and said throttle body needs replaced. wants over $700 to replace. not sure if we should proceed with having the dealership fix it or not.
Visitor, 2005 Mercury Montego, 50,000 mi
Electrical Problems out the ying-yang. Car still runs well but kind of annoying and embarrassing with guests in the car.