One problem related to throttle control warning light on has been reported for the 2010 Mercury Mariner. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2010 Mercury Mariner based on all problems reported for the 2010 Mariner.
In 2011, while driving at approximately 60 mph, I pressed the gas pedal and could not accelerate. The engine stayed on but I could not accelerate. I was able to turn on the hazards and pull off to the side of the highway. I turned off the vehicle and after waiting 5 minutes I restarted the vehicle and the gas pedal was working. Then again in October 2013, I was driving approximately 30 mph when I lost acceleration capability. This time the throttle body indicator light was displayed. I took the vehicle in to a mechanic and he stated that nothing registered on the computer as a malfunction. He looked at the intake valve and could not see any build-up. In January 2014 this happened 3 times and I was able to restart the vehicle and proceed. However, on January 11, 2014 after the malfunction the vehicle did not reset immediately now the check engine light is displayed.
| Vehicle Speed Control problems | |
| Cruise Control problems | |
| Throttle Control Warning Light On problems | |
| Car Throttle Stuck problems | |
| Car Slowed Down On Its Own problems |