Two problems related to check engine light on have been reported for the 2014 Mazda MAZDA3. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2014 Mazda MAZDA3 based on all problems reported for the 2014 MAZDA3.
While merging onto the highway and accelerating to highway speeds, the car lost power, the check engine light flashed, the traction light came on, and the check tire pressure came on all at the same time. The car also would not allow me to accelerate past 35-40 mph. After taking it to the dealership, it was determined that one of the four engine coils needed to be replaced. A month and half later, the same thing happened and another engine coil is needing replacement.
Occasionally the engine will hesitate when accelerating, and then the check engine light, tpm, and stability control light will illuminate on the dash. Less frequently, the engine will occasionally stall while driving or while sitting at a stop light. The lights on the dashboard will remain illuminated, so I do not think it's a total loss of power.
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