2008 Mercury Mariner Hybrid: engine stalls while driving

Filed Jun 11, 2020 · Acceleration, Engine · 87,000 miles · IN

Tl* the contact owns a 2008 mercury mariner hybrid. The contact stated that while driving at various speeds, the vehicle loss motive power and stalled with an unknown warning light illuminated. The vehicle was taken to andy mohr ford located at 2713 e. Main st, plainfield, in 46168 however, the vehicle was not diagnosed nor repaired. The manufacturer was made aware of the failure. The failure mileage was approximately 87,000.

Filed Dec 6, 2018 · Electrical, Engine · 155,000 miles · CA

Stop safely now chimes and displayed on dash followed by no acceleration until vehicle stalls and stops.starts right back up but continues to happen especially in la rush hour traffic. Very dangerous! Had recall work done on the mecs 3yrs ago but problem has continued. This happens while in motion on the 110 freeway in downtown los angleles, ca. Could be the electric throttle body or rear actuator. Or any other component that works with the electric motor and battery.

Filed Aug 7, 2017 · Engine · MO

Tl* the contact owns a 2008 mercury mariner hybrid. While driving 72 MPH, the warning image of a red exclamation point inside a triangle illuminated and the engine stalled. The contact pulled the vehicle over to the side of the road. The contact turned off and restarted the engine and, after a few minutes, the vehicle returned to normal. The vehicle was not taken to the dealer. The vehicle was not diagnosed or repaired. The manufacturer was contacted at 866‑436‑7332 and stated that the vehicle was no longer under warranty. The failure mileage was unknown.

Filed Oct 2, 2016 · Electrical, Transmission · 10,777 miles · NC

Quits running while caution with explanation in middle light appears and wrench light appears. Then notification to stop at once safely. This has happened on freeway. After 15-20 minutes car will crank again but may only go a few feet and stall again, near death experience.

Filed Sep 14, 2015 · Engine · 70,000 miles · CA

Tl* the contact owns a 2008 mercury mariner hybrid. While driving at 60 MPH, the vehicle stalled and the check engine warning light illuminated. The contact was able to restart the vehicle; however, the failure recurred. The vehicle was taken to a dealer where it was diagnosed that the coolant pump needed to be replaced. The vehicle was repaired. The vehicle was previously repaired under the federal safety agency campaign number: 14v526000 (hybrid propulsion system). The manufacturer was not notified of the failure. The approximate failure mileage was 70,000.

Filed Mar 27, 2015 · Electrical, Transmission · 72,000 miles · CA

2008 mercury mariner hybrid was going 20mph on electric motor in traffic when triangle warning light came on and the stop safely now sign displayed. The vehicle gas engine did not come on and I had to pull over to the side. I place the car in park and turn off the engine. I restarted the engine and the warning light disappeared. I took it to the ford dealership and they ran a diagnostic on it. They indicated it was the throttle body on the car that needs to be clean or replaced, and the PCM needs to be reprogrammed. I replaced it. This is after I took it to the ford dealership to fix the two recalls for this vehicle - electric steering control and electric coolant pump for the hybrid battery. I don't know if this will fixed the stalling issue since other vehicle owners indicated this problem persists, only time will tell. If this is a persistent problem please issue a recall since losing propulsion in traffic is not safe.

Filed Feb 16, 2015 · Electrical, Engine · 52,000 miles · CA

Experienced two in-traffic drive-train shut-downs as dangerous as the g.m. Ignition switch malfunctions... Traveling in 60mph-70mph night-time valentine's night freeway traffic on the I-405 in santa ana, ca. In the #3 lane of 5 lanes, the check engine warning light suddenly flashed on - accompanied by the `screech' of the `check gauges' tone - and the drive-train lost all power -- along with the absolutely worthless text "stop safely now". With no power steering, and limited brake booster reserves, I activated the hazard flashers - and thanks to alert and courteous traffic, was able to stop in a "reverse gore-point" between the freeway lanes and an outside transition road. Things could have come out far-worse if overtaking drivers had been inattentive - or we had to cross the path of a big-rig with limited braking- or steering capabilities. As an accident reconstructionist, this is unacceptable. This is the second of our family's fomoco hybrids to experience such in-use drive-train shut-downs that provide the driver with no usable warnings of impending doom - not even "limp-away power" ... The "after-it's-too-late" message-panel might as well display "kiss your a$$ goodbye". The idiot fomoco engineers who decided to "protect" the hybrid battery by "stalling" the vehicle on the freeway obviously never considered what a freeway-speed rear-end impact would do to their precious battery...or to the "replaceable" living occupants of the vehicle.

Filed Feb 16, 2015 · Electrical, Engine · 52,001 miles · CA

Experienced the second of two in-traffic drive-train shut-downs as dangerous as the g.m. Ignition switch malfunctions (see odi#: 10683675) our initial stopping place - in a "reverse gore-point" between the n/b freeway lanes of the I-405 freeway in santa ana, ca and an outside transition road was unsafe in the full-darkness of a non-illuminated high-speed intersection; with traffic zooming by on both sides, with the flashers still active, I res-started the engine -- all dash warnings cycled on then off normally; on a distinct up-grade, I revv'd the engine against the service brakes, and watched for a suitable gap in traffic over-taking us on our right side. Seeing such a gap, I released the service brakes and accelerated to 30 MPH towards the outer shoulder...but only made it part-way across the 2 lanes when the second shut-down occurred...the same "check engine" light...the same squealing enunciator tone... The same worthless "stop safely now" message and again, thanks to courteous and alert over-taking drivers, I was able to coast to a relatively broad shoulder section beside a `disappearing' right travel lane. It was now 7:55pm. We were on our cell phone to the aaa when a highway patrol officer stopped behind us to check our situation, and provide additional protection until a tow-truck could arrive on-scene. This is the second of our family's fomoco hybrids to experience such in-use drive-train shut-downs that provide the driver with no usable warnings of impending doom - not even "limp-away power" ... The "after-it's-too-late" message-panel might as well display "kiss your a$$ goodbye". The idiot fomoco engineers who decided to "protect" the hybrid battery by "stalling" the vehicle on the freeway obviously never considered what a freeway-speed rear-end impact would do to their precious battery...or to the "replaceable" living occupants of the vehicle.

Filed Oct 1, 2014 · Engine, Fuel system · 100,000 miles · CA

My 2008 mercury mariner hybrid has a dangerous high speed stall condition. It is very serious and puts the vehicle and occupants in a situation that causes a very high risk of a crash. This said, my vehicle is not covered in the current recall? Why not?

Filed Aug 18, 2014 · Engine · 57,000 miles · TX

Tl* the contact owns a 2008 mercury mariner hybrid. While driving approximately 70 MPH, the engine stalled and the hybrid warning indicator illuminated. The vehicle operated normally once it was turned off and restarted. The failure occurred on multiple occasions. The vehicle was not diagnosed or repaired. The manufacturer was notified of the failure. The approximate failure mileage was 57,000.

Filed Aug 7, 2014 · Acceleration, Engine · 95,000 miles · CA

While driving the vehicle shuts off with a red triangle and the display says to pull off safely. This has happened about 6 times already. I have taken it back to the ford dealer and they replaced the throttle body because there is a sensor that fails in the unit and they explained the factory calibrates the whole unit with a steep price tag. Lucky I still have 5000 miles till warranty expires. I guess a number of times it was not a big deal to pull over on the shoulder and restart the vehicle and carry on. This last time we had service done to the vehicle I informed the ford service agent that we were going on a long trip and if we should get a rental. He was confident the work they performed would resolve the shut down issue. We left la and went on our way to bishop for a group hiking trip. The mariner ran fine for 3/4 of the way and again while driving on a 2 lane road the mariner shuts off. I negotiated to the right as my speed was declining and a 18 wheeler was passing me up on the right and the car behind me was gaining on my rear. It was a bit scary but we managed to pull over safely. Upon turning off the mariner ignition and restarting we carried on to the destination. It was raining and a road conditions were not the best but we did not want to be stranded on the side of the road. Once again after driving for 10 minutes the mariner shut off and with the loss of power. Not a safe situation to have your engine shut off while driving in a freeway at speed of 65 and to suddenly loss your engine with no ability to accelerate out of a unsafe situation. It could be very dangerous if we were traveling on a windy single lane road without a shoulder as there are a bunch in the higher elevations where we hike. It would not be safe to stop and deal with this situation as cars are coming up a hill and your trying to reset the ignition computer system.

Filed Jun 13, 2014 · Engine · 41,000 miles · CO

Tl* the contact owns a 2008 mercury mariner hybrid. The contact stated that while driving approximately 50 MPH, the vehicle suddenly stalled. The contact indicated that after the incident the high temperature sensor light illuminated. The vehicle was not diagnosed or repaired. The manufacturer was notified of the defect. The failure mileage was 41,000. Updated 08/27/14*lj the consumer stated the coolant pump was the cause of the failure. The vehicle was repaired. Updated 09/5/2014