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    Drivetrain and acceleration problems in my 2013 Mazda BT-50

    Mazda Mazda Advice Mazda BT-50 Mazda BT-50 Advice Mazda BT-50 2013
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    The drivetrain warning light on my 2013 Mazda BT-50 comes on and I lose power when I drive very slow for longish distances. After having stopped, switched off and re-started after about 10 seconds, everything is fine again. This only happens once in a blue moon, however. Can you offer any advice or explanation?

    Answered by CarsGuide
    15 January 2024
    David Morley

    The clue here might be in the fact that this problem occurs when you drive slowly for an extended distance. This could suggest that something (engine or transmission perhaps) is becoming hot and the vehicle is switching to limp-home mode to avoid damaging any components. Also, it could be a dodgy sensor which is simply making the vehicle 'think' it's getting hot.

    It sounds counter-intuitive, but driving slowly can lead to overheating as there's less air flowing over the radiator and/or oil coolers to whisk temperature away. When you stop the car and re-start it, the on-board computer goes back to its default settings and away you go again until the sensors detect more heat build-up.

    With that in mind, I'd be checking the radiators and oil coolers for a build up of dust, mud, leaves and other rubbish which could be blocking airflow. But before you start replacing sensors and other components, have the car scanned (by a mechanic) to see if any fault codes make themselves apparent.

    Disclaimer: You acknowledge and agree that all answers are provided as a general guide only and should not be relied upon as bespoke advice. Carsguide is not liable for the accuracy of any information provided in the answers.
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