2005 Mercury Montego: jerking or lurching

Filed Apr 12, 2018 · Acceleration, Electrical · 123,000 miles · MI

The car has been lurching forward and decelerating randomly. Keeps going into "failsafe engine mode" and the wrench light comes on but only for a few moments, then runs normally again after restarting. Haven't been able to have the light on long enough to get diagnostics done. Happens while driving or when starting occasionally.

Filed Jul 1, 2016 · Electrical, Engine · 147,000 miles · IL

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 cluster and car ran great for 2 days then started all again. This happens mainly while in the city, hasn't happened on highway yet thank goodness. Car just sits in driveway, afraid to drive it. I see countless people with this issue all the way back to when car was released and still no solution.

Filed Apr 16, 2016 · Fuel system, Steering · MI

My 2005 mercury montego shuts off while going down the road. I have paid around $4000 to try and have the problem fixed and it has never stopped. The reverse gear is unusable, as soon as you put it in reverse it shuts the car off. The transmission jerks and will not steadily accelerate at random times. The car will randomly shut off when going down the road losing all power steering and power braking ability. This is particularly a problem considering I have an infant in the backseat most every trip. I saw this lawsuit and every single thing listed about the CVT transmissions has happened and is still happening to my 2005 montego.

Filed Apr 5, 2016 · Acceleration, Engine · 150,000 miles · OH

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. The vehicle was repaired; however, the failure recurred. The manufacturer was notified of the failure. The failure mileage was approximately 150,000.

Filed Jul 7, 2015 · Acceleration · 58,000 miles · CA

When braking it jerks and shifts into neutral and the engine reeves to 5000+ RPM. After braking and slowing it again shifts back into drive. This only happens when braking or increasing speed. No dash lights illuminate, indicating a problem. Having to slow suddenly in traffic is very dangerous. A ford dealer recommends a new transmission and a transmission shop recommends a new electronic module..this is an intermediate incident problem occurring approximately every two to four weeks. .

Filed Apr 27, 2015 · Engine, Transmission · 104,000 miles · IL

I just pulled my car off the lot not even 10 minutes later there was jerking then my car stopped dead in the middle of a busy street.this has happened numerous times with the worst being on a one way and my nieces no more than 10 years old in the car my car made a kind of a loud humming noise,jerked then stopped in the street.at times I can't even reverse or go up steep hills.

Filed May 15, 2014 · Transmission · 152,100 miles · OH

When it get hot it jerks,when you accelerate it wont take off and then it leap forward, when in low gear it really start jerking and then it stop it take a moment before it move. I seen several complaints on the internet with the same problem. I took it to have it look at. They say that numerous of there customer have the same problem with this model. One customer put 2 transmission in her montego and experience the same problem over again.

Filed May 13, 2014 · Engine · 100,000 miles · PA

Tl* the contact owns a 2005 mercury montego. The contact stated while traveling at unknown speeds, the vehicle jerked violently and erroneously accelerated. The contact mentioned that the failure occurred intermittently. The vehicle was taken to an authorized dealer who stated that the valve body kit needed to be repaired. The vehicle was to be repaired. The manufacturer was notified of the failure. The approximate failure mileage was 100,000.

Filed Jul 15, 2013 · Acceleration · 70,000 miles · VA

Tl* the contact owns a 2005 mercury montego. The contact stated that while driving approximately 70 MPH and merging into the left lane, there was no response from the vehicle upon engaging the accelerator pedal. In addition, the vehicle jerked violently. The vehicle began to accelerate normally several seconds later. The vehicle was taken to an authorized dealer where the throttle body was being replaced. The manufacturer was not notified of the problem. The approximate failure mileage was 70,000.

Filed May 21, 2013 · Transmission · 51,000 miles · NY

Tl* the contact owns a 2005 mercury montego. The contact stated that while driving approximately 60 MPH, the vehicle jerked without warning. The vehicle was taken to a dealer where it was diagnosed that the automatic transmission valve body needed to be repaired. The manufacturer was not made aware of the failure. The vehicle was repaired. The approximate failure mileage was 51,000 and the current mileage was 51,487.

Filed Mar 22, 2013 · Transmission · 59,300 miles · CA

After driving car 20 minutes and once the car engine heats up the transmission begins to buck and jerk while driving under 40 MPH. This is a ongoing issue and is very dangerous.

Filed Aug 3, 2012 · Electrical, Fuel system · 69,000 miles · TX

The car was purchased in may of 2011. August 2011, the transmission started to violently jerk and act as if it were in neutral. When gradually applying the breaks, the car would begin to shudder. This would happen only if the engine was warm. By march 2012, the shuddering transmission and jerk was constant. I took it in to be looked at in april of 2012. The alternator was replaced, due to what we thought was a bad battery. The mechanic believed this caused the transmission to jerk. The problem was not solved. June 2012 the transmission was replaced by a ford dealership for 5,000. July 2012 the car went into fail engine safe mode, the codes pointing to the throttle body. A mechanic cleaned the throttle body saying it might solve the problem. 2 days later the car went into fail engine safe mode again with the same codes with an estimate of $900. The car has 72000k on it and has had three major problems in the past couple of months.